Question

multiple - choice question
how many sig figs are in 809,000.?
6
3
2
4

Explanation:

Step1: Identify significant - figure rules

Non - zero digits are always significant. Zeros between non - zero digits are significant. Trailing zeros in a number with a decimal point are significant.

Step2: Analyze 809,000.

In 809,000., 8 and 9 are non - zero digits and are significant. The 0 between 8 and 9 is significant. The three trailing zeros are significant because there is a decimal point. So there are 6 significant figures.

Answer:

6