Bell Ringer If 21 = 2, and 23 = 8… What is 20 equal to?

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Presentation transcript:

Bell Ringer If 21 = 2, and 23 = 8… What is 20 equal to?

Zero and Negative Exponents Mr. Haupt CC.2.2.8.B.1

Zero Exponents There are ten things to remember when you see a zero exponent Anything to the zero power is equal to one. ANYTHING TO THE ZERO POWER IS EQUAL TO ONE!!!!

For Example 20 1230 -230

Negative Exponents Whenever you see a negative exponent, don’t freak out. All you have to do is make the base number a fraction with a one over it, and then make the exponent positive. For example: 3-2 4-4 2-3

Multiplying Numbers with Exponents When multiplying numbers with exponents, you can just add the exponents if the base numbers/variables are the same. 23 * 24 34 * 312 45 * 54

Dividing Numbers with Exponents If we add exponents when we multiply, what do you think we do when we divide? We subtract. But only if the base numbers are the same. 54 / 52 35 / 31 43 / 46