Answer:
10,000,000,000,000,000,000,000,000,000,000,000,000,000,000
Step-by-step explanation:
10,000,000,000,000,000,000 x 1,000,000,000,000,000,000,000,000 =
Answer: x=20
a or c
You divide what you got by how many questions there are. For example, if you got 18/20, you'd divide 18 by 20 with a calculator. Which would be 0.9, then you move the decimal over 2 times making it 90, so you got 90%
