Mathematics 0580 · IGCSE
Standard form
78 practice questions on Standard form, with worked solutions and instant marking.
Write 629 000 in standard form
Feb/March 2017
Write 0.000 0523 in standard form by using a power of 10.
Feb/March 2018
Write 0.000 052 3 in standard form.
Feb/March 2018
Calculate the value of $(2.3 \times 10^{-3}) + (6.8 \times 10^{-4})$. Present your answer in standard form.
Feb/March 2020
Express 567000000 in standard form.
Feb/March 2021
Calculate $4.8 \times 10^{6} + 3.7 \times 10^{7}$. Write your answer in standard form.
Feb/March 2021
Calculate $0.3^2$. Express your answer in standard form.
Feb/March 2023
Calculate $0.3^2$. Write your answer in standard form.
Feb/March 2023
$6.5 \times 10^{19} \times n = 5.46 \times 10^{23}$.
Feb/March 2024
In standard form, write $0.00709$.
Feb/March 2025
Write, in standard form, 82 600.
May/June 2015
Express $53\,400\,000$ in standard form.
May/June 2015
Write $270\,000$ as standard form.
May/June 2015
In standard form, write 270 000.
May/June 2015
Express 5 340 000 in standard form.
May/June 2015
Write $1.27 \times 10^{-3}$ in ordinary form.
May/June 2016
Express $2\,600\,000$ in standard form.
May/June 2016
Express $1.27 \times 10^{-3}$ as a decimal number.
May/June 2016
Write $0.0000574$ as standard form.
May/June 2016
Write $0.0605$ in standard form.
May/June 2017
Express $0.0605$ in standard form.
May/June 2017
Express 1226 km in metres.
May/June 2017
Write 0.00268 rounded to 2 significant figures.
May/June 2018
The numbers below are given in standard form: $3.4 \times 10^{-1}, 1.36 \times 10^{6}, 7.9 \times 10^{0}, 2.4 \times 10^{5}, 5.21 \times 10^{-3}, 4.3 \times 10^{-2}$.
May/June 2018
Write the ordinary-number form of $4.82 \times 10^{-3}$.
May/June 2018
Write $0.0000387$ in standard form.
May/June 2018
The numbers below are expressed in standard form: $3.4 \times 10^{-1}$, $1.36 \times 10^{6}$, $7.9 \times 10^{0}$, $2.4 \times 10^{5}$, $5.21 \times 10^{-3}$, $4.3 \times 10^{-2}$.
May/June 2018
Express $4.82 \times 10^{-3}$ in ordinary notation.
May/June 2018
Write $640\,000$ in standard form using powers of 10.
May/June 2019
Write $0.00654$ as a number in standard form.
May/June 2021
Express $0.00074$ in standard form.
May/June 2021
Write $0.00654$ in standard form by expressing it as a number between $1$ and $10$ multiplied by a power of ten.
May/June 2021
Reduce $2.1 \times 10^p + 2.1 \times 10^{p-1}$. Present your answer in standard form.
May/June 2021
Calculate $2 \times 10^{100} - 2 \times 10^{98}$ and give the result in standard form.
May/June 2022
Calculate $1 \div (6.4 \times 10^{-5})$. State your answer in standard form.
May/June 2023
Express $45\,000$ in standard form.
May/June 2023
Calculate $1.827 \times 10^6 \div 9000$. State your answer in standard form.
May/June 2024
Write 174000 in standard form using powers of 10.
May/June 2024
Write $0.007$ in standard form.
May/June 2024
Express 174000 in standard form.
May/June 2024
Calculate, giving your answer in standard form, $(2.1 \times 10^{101}) \times (8 \times 10^{101})$.
May/June 2024
Write $32\,500$ in standard form.
May/June 2025
Write $0.00708$ in standard form.
May/June 2025
The following give the heights above the Earth’s surface of five satellites, A, B, C, D and E. Each distance is measured in kilometres. A = 35 800 B = $7.8 \times 10^2$ C = $1.5 \times 10^6$ D = 535 E = $2 \times 10^4$
May/June 2025
A single titanium atom has a mass of $7.95 \times 10^{-23}$ grams.
May/June 2025
Express $1.7 \times 10^{-4}$ as an ordinary number.
Oct/Nov 2015
Write $1.7 \times 10^{-4}$ in ordinary number form.
Oct/Nov 2015
Write the standard form of 2 470 000.
Oct/Nov 2016
Write $2\,470\,000$ in standard form
Oct/Nov 2016
Write the number in figures.
Oct/Nov 2016
Express $5.17 \times 10^{-3}$ in ordinary form.
Oct/Nov 2017
Express $1.8 \times 10^4$ as an ordinary number.
Oct/Nov 2017
Express $5.17 \times 10^{-3}$ as a decimal number.
Oct/Nov 2017
Find, giving your answer in standard form: $1.2 \times 10^{40} + 1.2 \times 10^{41}$.
Oct/Nov 2017
Express $187\,000\,000$ in standard form.
Oct/Nov 2018
Write $23\,000$ in standard form.
Oct/Nov 2018
Express the number five million, two hundred and seven as figures.
Oct/Nov 2018
Calculate $(6.4 \times 10^7) + (9.6 \times 10^6)$. Give your answer in standard form.
Oct/Nov 2018
Express $23000$ in standard form.
Oct/Nov 2018
Write five million, two hundred and seven in numeral form.
Oct/Nov 2018
Write 15060 as words.
Oct/Nov 2019
Express $72\,000$ in standard form.
Oct/Nov 2019
Express 15 060 in words.
Oct/Nov 2019
Write the number in standard form.
Oct/Nov 2019
A pencil has length, $l$ cm, which is 18 cm when rounded to the nearest centimetre.
Oct/Nov 2020
Find the value of $(3 \times 10^{19}) + (2 \times 10^{20})$. Write your answer in standard form.
Oct/Nov 2020
Calculate $0.04^{2} + 0.03 \times 0.28$. State your answer in standard form.
Oct/Nov 2021
Express $0.00273$ in standard form.
Oct/Nov 2022
Put $0.007$ into standard form.
Oct/Nov 2022
Write down the reciprocal value of $\frac{1}{3}$.
Oct/Nov 2022
Write the following numbers in standard form.
Oct/Nov 2023
Calculate $(6.4 \times 10^5) \div (2.5 \times 10^{-7})$. Present your answer in standard form.
Oct/Nov 2024
Write $1.753\times10^8$ in ordinary form.
Oct/Nov 2025
Sam expresses 851000 in standard form as $85.1 \times 10^4$.
Oct/Nov 2025
Write the number $66000$ in standard form.
Oct/Nov 2025
Calculate $\frac{4.6\times10^3}{1.84\times10^5}$. Present your answer in standard form.
Oct/Nov 2025
Calculate $(5.6\times10^{-3}) \div (2.4\times10^{-5})$. Give the result in standard form.
Oct/Nov 2025
Choose one number from the box to finish each statement.
Oct/Nov 2025