(a)[1]
Evaluate $7^{-3}\div7^{-4}$.
(b)[1]
Find the value of $k$ when $(3^6)^k=3^2$.
(c)[2]
Simplify $3(2^2\times3^3\times5^4)^2$. Give your answer in the form $2^a\times3^b\times5^c$.
Mathematics 4024 · O Level · Indices I
Mathematics 4024 · O Level · Indices I
Evaluate $7^{-3}\div7^{-4}$.
Find the value of $k$ when $(3^6)^k=3^2$.
Simplify $3(2^2\times3^3\times5^4)^2$. Give your answer in the form $2^a\times3^b\times5^c$.