Question

There are approximately 7.5 × 10 18 grains of sand on Earth. There are approximately 7 × 10 27 atoms in an average human body. Are there more grains of sand on Earth or atoms in an average human body? How do you know?

Answer 1

147

Explanation:

i used a calculator/ kinda common since

Answer 2

7.5 x 10^18 = 7500000000000000000

7 x 10^27 = 7000000000000000000000000000

Explanation:

Therefore, there are more atoms in the human body.