Determine the number of significant figures in the measurement 0.007890 s. express your answer numerically as an integer.

The number of significant figures in the measurement is 4. Significant figures of a number are digits that carry meaning contributing to its measurement resolutions.These includes all digits (nonzero numbers), any zero between two non zero numbers is significant, a final zero or trailing zeros in the decimals are significant, all other zeros not mentioned are not significant.

Cis the

Answer(b) 60 miles per hour;