Question 320565
Hint: In one second, "we purchase 160 cans". In two seconds, we purchase 2*160=320 cans. In three seconds, we purchase 3*160=480 cans. This pattern continues. So in say 100 seconds, we'll purchase 100*160=16,000 cans.


This means that in *[Tex \LARGE 3.2 \times 10^7] seconds, we'll purchase *[Tex \LARGE 160\times 3.2 \times 10^7]. Ie, we're multiplying 160 and *[Tex \LARGE 3.2 \times 10^7]. To do this, it helps to get 160 into scientific notation.