question 13 of 17\nhow many sig figs are in 750.064080\n6\n8\n9

Explanation:

Step1: Recall sig - fig rules

Non - zero digits are always significant.

Step2: Consider zeros

Zeros between non - zero digits (like the 0 between 5 and 6) are significant. Zeros after a non - zero digit and after a decimal point (like the 0s after 6) are significant.

Step3: Count significant figures

Counting all digits in 750.064080: 7, 5, 0, 0, 6, 4, 0, 8, 0. There are 9 significant figures.

Answer:

9