Chapter 4.4, Problem 51HP

To determine

To state: that which number is twice.

Answer to Problem 51HP

The number $6\times {10}^2$ is twice of $3\times {10}^2$ and $3\times {10}^4$ is twice of $3\times {10}^4$ .

Explanation of Solution

Given information:

The numbers are $3\times {10}^2,3\times {10}^4,3\times {10}^4,6\times {10}^2$

thenumber $6\times {10}^2$ is twice of $3\times {10}^2$ and $3\times {10}^4$ is twice of $3\times {10}^4$ because when multiply the number by 2, the 3 will be multiplied and exponent remain same.