Question

using mental math find 4.623 x 1000. Please explain how you got your answer​

Answer 1

Answer:

4 623

Step-by-step explanation:

4.623 x 1000

When multiplying by a  positive power of 10, move the decimal by the number of zeros

Since we have 3 zeros, move the decimal 3 places to the right

4 623

Answer 2

Answer:

You can easily figure that

$4.623 = 4623 \cdot 10^{-3}$

$1000 = 1\cdot 10^3$

The multiplication: $(4623 \cdot 10^{-3}) \cdot (10^3)=4623$