Question

Please help me find the answer.

Answer 1

• 
  `\sf 9.92 * 10^7`

Explanation:

`\sf (3.2 * 10^5) (3.1 * 10^2)`

`\sf 3.2 * 3.1 * 10^5 * 10^2`

`\sf 9.92 * 10^5 * 10^2`

Use the power rule :

`\sf a^m * a^n = a^(m +n)`

Combine the exponents m and n

m is 5 and n is 2

• 5 + 2 = 7

`\sf 9.92 × 10^7`