Question

What is the number of significant figures in 0.001520?

Answer 1

Significant figures:

1. The number of significant figures in 0.001520 is 4.
2. Non-zero digits are always important.
3. The presence of zeros between non-zero digits is significant.
4. Leading zeros to the left of the first non-zero digit are unimportant.
5. Trailing zeroes in a number that are also to the right of a decimal point are significant.