Answer:
7 he gets 7 becuse he only did 7#43/6/h
Step-by-step explanation:
Answer: 
Step-by-step explanation:
The expression can be simplified by applying the a properties of exponents, specifically the Product of powers, which states that:

Where b is the base and a and c are exponents.
Then simplify it by rewriting the base (
) and adding the exponents of the expression (8 and 9).
You will get the expression simplified and written as a power:

Ten times greater than 6.6*10^10 and 3*10^7
Answer:
0.4
Step-by-step explanation:
you just have to divide
2÷5=0.4