Find the value of 0 006 3 0 004 3 in standard f... - JAMB Mathematics 1997 Question
Find the value of (0.006)3 + (0.004)3 in standard form
A
2.8 x 10-9
B
2.8 x 10-7
C
2.8 x 10-8
D
2.8 x 10-6
correct option: b
(0.006)3 + (0.004)3 = 2.16 x 10-7
(2.16 + 0.64) x 10-7
= 2.8 x 10-7
(2.16 + 0.64) x 10-7
= 2.8 x 10-7
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