Question

How many significant digits are there in the number 0.0001001? A. 4 B. 6 C. 8 D. 10

Answer 1

Answer:

A. 4

Step-by-step explanation:

leading zeros not included and the sig figs start from the first 1 so 4 sig figs

Answer 2

Answer:

4

Step-by-step explanation:

0.0001001

There are three rules on determining how many significant figures are in a number:

1.Non-zero digits are always significant.

2. Any zeros between two significant digits are significant.

3.A final zero or trailing zeros in the decimal portion ONLY are significant