Question

3) Report how many significant figures each of the following numbers has and then write the number in

standard scientific notation.
Number
Number of Significant Figures
Standard Scientific Notation
0.0000620
0.05600
70820.0
309100​

Answer 1

Number of Significant Figures

0.0000620 = 6

0.05600 = 3

70820.0 = 5

309100 = 6

Standard Scientific Notation

0.0000620 = 6.2 *
`10^(-5)`

0.05600 = 5.6 *
`10^(-2)`

70820.0 = 7.082 *
`10^(4)`

309100 = 3.091 *
`10^(5)`