Answer:1, 000, 000, 000 times
Step-by-step explanation:About how many times more atoms are in a human body compared to grains of sand on Earth? ≈ 1×1027-18 ≈ 1 × 109 ≈ 109 There are about 1, 000, 000, 000 times more atoms in the human body compared to grains of sand on Earth.