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(4.0 * 10^-3)(3.0 * 10^-8)(2.0 * 10^4)
Let's 1st multiply the decimals:
4.0 * 3.0 * 2.0 = 24, or, 2.4 x
Now let's multiply the base-10 powers:
. Since these expressions have the same base, then using the law of exponents, we just add their exponenets. Therefore, we get:
We now have 2.4 x
Once again, we add the exponents with the same base of 10 to get