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

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

User Dorad
by
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2 Answers

1 vote
The answer is 1.6 time 10^5
User Mustafa DOGRU
by
7.1k points
0 votes

Answer:


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

User Franksort
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