F=4,which is something of an answer
Answer:
D 9.1 x 10^(-4) oz
Step-by-step explanation:
9.17 x 10^(-4) oz - 2.66 x 10^(-6) oz =
= 9.17 x 10^(-4) oz - 0.0266 x 10^(-4) oz
= 9.1 x 10^(-4) oz
Answer:

Step-by-step explanation:
Both numbers are integers (not fractions)
if you write an integer in scientific notation:
1) inset a comma between first and second digit (3.70000000)
2) calculate all digits on the right side of insetting comma (there are 8 digits after a comma: 7,0,0,0,0,0,0,0)
3) a fraction from point 1) you multiply by 10 to the power, which is equal to a number of digits after comma (8)
4) according this tips, you have 
5) for a better notation, you may remove ending zeros
