Question

A) Work out (8 × 10³) × (2 × 10¹) Give your answer in standard form.​

Answer 1

The answer is 1.6 time 10^5

Answer 2

`1.6 * 10^5`

Explanation:

`(8 * 10^3) * (2 * 10^1)\\\to (8 * 2) * (10^3 * 10^1) \text{ / Remember rule: } a^m * a^n = a^(m + n)\\\to 16 * 10^(3 + 1)\\\to 16 * 10^4\\\to 1.6 * 10 * 10^4\\\to 1.6 * 10^(1 + 4)\\\to 1.6 * 10^5`