Answer:

(10 x 10 18 times)(10 x 10 23 times) 
just as a note: when you multiply numbers with exponents and they both have the same base, all you have to do is add the exponents.
Ex: 
Step-by-step explanation:
multiple the power and real number
220% is 2.20 in decimal form in fraction 2 1/5
Answer: they had a bad reputation
Step-by-step explanation:
It is C. 2/3 because the original fraction would be 4/6, and if you simplify that, you get 2/3