Answer:
40%
Step-by-step explanation:
8 out of twenty squares are shaded so 8/20. As a decimal it would be 0.4 so multiply by 100 to get 40%
Answer:
60
Step-by-step explanation:
The answer is D
That would be 4 * 10^16 divided by 5 * 10^8
= 4/5 * 10^(16-8)
= 0.8 * 10^8
= 8 * 10^7 in scientific format.