Question

Write $7860$ in standard form.

Answer 1

The standard exponent form of a number is $A\times {10}^n$ where $n$is an integer and $1\le A<10$.

So we have, $7860$ which can be written in standard form as:

$7860=7.860\times 1000=7.86\times {10}^3$

Hence, the standard form is $7.86\times {10}^3$