Question

An ant is 2.0x10^-2 meters long.if you put 10 million ants in a line, how long is the line ?

A.200 m
B.2,000 m
C.20,000 m
D.200,000 m

Answer 1

2.0*10^5 meters

Explanation:

To answer this question, multiply

2.0*10^(-2) meters by 10 million, that is:

2.0

------ * 10*10^6 meters

10²

This expression simplifies to:

2.0*10^5 meters (which corresponds to answer D).