Question

How do I do this. I don’t understand how to move place values

Answer 1

For this case we must indicate the value of the following expression, expressed in scientific notation:

$(1.2 * 10^{-3}) * (1.1 * 10^{8}) =$

We have that for multiplication properties of powers of the same base, the same base is placed and the exponents are added:

$a ^ n * a ^ m = a ^ {n + m}$

Then, rewriting the expression we have:

$(1.2 * 1.1) * 10 ^{- 3 + 8} =\\1.32 * 10 ^ 5$

Answer:

$1.32 * 10 ^ 5$