((1.28 times 10^{4}) div (6.4 times 10^{2})) equals
-
A.
2 x 10-5 -
B.
2 x 10-1 -
C.
2 x 101 -
D.
2 x 10-4
Correct Answer: Option C
Explanation
((1.28 times 10^{4}) div (6.4 times 10^{2}))
= (frac{1.28 times 10^{4}}{6.4 times 10^{2}})
(equiv frac{12.8 times 10^{3}}{6.4 times 10^{2}})
= (2 times 10^{1})