How do you calculate #(9.1times10^7) div (4.5times10^8)#?
1 Answer
Aug 30, 2016
#2.022 xx 10^-1
Explanation:
Write is as a fraction - it makes the index part easier to follow.
=
Divide the numbers and subtract the indices of 10.
We are dividing a small number by a bigger number, so the negative index in the answer is as we expect.
