5,8×10^3×2,3×10^-7

Answer 1

To multiply these numbers, first multiply the integer parts and then add the exponents of the powers of 10:

5.8 * 2.3 = 13.34
10^3 * 10^-7 = 10^(3-7) = 10^-4

So the final answer is 13.34 x 10^-4, which can also be written as 1.334 x 10^-3.