0
Anonymous
1.5 x 103 = 1500
Wiki User
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3,870
4 to the 3rd power = 64 = (6 x 10) + (4 x 1)
6.4 x 10^15 = 6,400,000,000,000,000 (6.4 quadrillion).
Yes, and it can also be written as 9.0 x 10^2
400 x 10^3 is equal to 400,000.