Question

Estimate how many times larger 6 x 10−21 is than 29 x 10−25. A) 200 times larger B) 2,000 timems larger C) 5,000 times larger D) 10,000 times larger

Answer 1

= 0.2 * 10(^(-21-(-25)
= 0.2 * 10^4

That would be =2 *10^3 or 2,000 is the answer.