Find the value of a if log10 a + log10a2 = 0.9030
-
A.
4.0 -
B.
2.0 -
C.
1.6 -
D.
0.0
Correct Answer: Option C
Explanation
Log a + log a2 = 0.9030
log (a x a2) = 0.9030
log a3 = 0.9030
a3 = 10^.9030(antilogarithm table)
a3 = 7.998
a = 3(sqrt{7.998})
a = 1.6