2. What answer represents this number in scientific notation?
0.00000916
a. 916 x 10^-8
b. 9.16 x 10^-6
c. 916 x 10^8
d. 9.16 x 10^6
3. What is this number in standard form?
6.8 x 10^-4
a. 5,750,000,000
b. 575,000,000,000
c. 0.00000000575
d. 0.575000000000
5. What is this number in standard form?
5.2 x 10^8
a. 0.000000052
b. 0.0000000052
c. 520,000,000
d. 5,200,000,000