ACT Math 4.3 Pre-Algebra
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ACT Math: Pre-Algebra Drill 4, Problem 3. Simplify the expression.
ACT Math | Pre-Algebra |
ACT Mathematics | Pre-Algebra |
Basic Operations | Exponents |
Foreign Language | Arabic Subtitled Chinese Subtitled Korean Subtitled Spanish Subtitled |
Language | English Language |
Pre-Algebra | Exponents and roots The concept of exponents |
Product Type | ACT Math |
Transcript
So here we have a to the 2x times a to the NEGATIVE 2x.
And we are adding the exponents... so in America... 2x minus 2x is ...what?
Yep. Zilch. Zip. Nada.
So what's a to the ... zero power?
Well, by definition -- any number to the zero power is ...1.
So a to the zero is 1, and the answer is B.
As in, "Base running."