Question on: WAEC Mathematics - 2007
Find the value of a if log10 a + log10a2 = 0.9030
A
4.0
B
2.0
C
1.6
D
0.0
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Correct Option: C
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
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