What is the number 0.0062985632 written in scientific notation to three significant figures?

0.0062985632

6.30 x 10^ - 3

(Its 6.29 but if you are rounding to the nearest thousandths then its 6.30 x 10 to the power of - 3 since jumped 3 spaces back. Remember that when it starts with a 0, you are moving to the first digit which in this case is 6)

- you're welcome