C. 5:6:10 Explanation: since they all have a common dividend of 7, u just have to divide all of them by 7 :)
Three and seven twelfths
8 3/4 = 35/4 = 210/24
5 1/6 = 31/6 = 124/24
(210-124)/24
86/24
43/12
3 7/12
The answer for this question should be the last pair which is 6, -6
3 x 10^-5.
Explanation: You move the decimal point 5 places to the right, hence it <span>becomes 3 x 10 to the power of NEGATIVE 5 (moved 5 places right)</span>
