Question

The age of Earth is about 4.6×10^9

years old. What is the number in decimal notation?
A:46,000,000,000
B:0.0000000046
C:4.6000000000
D:4,600,000,000

Answer 1

[AI-generated answer — Bot GPT 3.5]

The correct answer is A: 46,000,000,000.