math
posted by chase on .
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

Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.
Again, we do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though.
This might help:
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0.000000052