the denominator would be 12
9x-2y=-40 should be the answer
There are more atoms in average human body than grains of sand on Earth. We can know it because we can see that atoms' number (7 * 10^27) is being multiplied by much greater number (with 9 zeros more) than grain's number (7.5 * 10^18).
Answer:
b
Step-by-step explanation:
