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
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
(0.006)3 + (0.004)3 = 2.16 x 10-7
(2.16 + 0.64) x 10-7
= 2.8 x 10-7
Source: Myschool Past Questions Archive (Record #30785)