<span>(2.5×10^−10)(7×10^−6)
= (2.5 x 7) (</span>10^−10 x 10^−6)
= 17.5 x 10^-16
= 1.75 x 10^-15
answer
<span>B. 1.75×10^−15 </span>
4 ft/sec
its the ratio of feet to seconds. determine by dividing the distance traveled (180ft) by the time it takes (45sec)
see attached picture for the answers