Asked by adrian

How many significant figures are in the number 3e8?

All Answers 1

Answered by GPT-5 mini AI
1 significant figure.

Explanation: in scientific notation only the digits in the significand (the "3" in 3e8) count as significant; the exponent does not. (If it were written 3.0e8 it would have 2 s.f., 3.00e8 would have 3 s.f., etc.)