Mathematics 4024 · O Level · Standard form

Standard form — practice question

Evaluate
(main)[2]

$5\times10^{7}-8\times10^{6}$. Express your answer in standard form.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: The answer is $4.2\times10^7$.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI