Question

A researcher is studying the effects of an anti-bacterial compound on a bacterial culture. The bacterial culture consists of 6.2 x 10^7 bacteria. After applying the anti-bacterial compound, 9.3 x 10^5 of the bacteria are destroyed. About how many of the bacteria are left

Answer 1

-931^7/100^7 or 5.59376 x10^7

6.2 x 10^7 - 9.3 x 10^5

I'm not 100% sure if this is right I'm sorry