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Introduction to Exponents
Transcript of Introduction to Exponents
is: 10 X 10 = 100 4 "Seven raised to the fourth power." 8 12 "Eight raised to the twelfth power." With your shoulder partner, tell each other how you would say: 2 5 "Two to the fifth power." Now let's solve the problem: Is it:
2 X 5? 2 5 NO! 2X2X2X2X2 = 4 X 4 X 2 = 16 X 2 = 32 WHEN WE WRITE OUT (OR EXPAND) THE PROBLEM, IT IS CALLED: EXPANDED NOTATION There are two exceptions to this rule: Any base to the second power can also be called SQUARED: 4 2 Four to the second power
Four squared. Also, any base to the third power can also
be called CUBED: 7 3 Seven to the third power
Seven cubed Any base with an exponent of 1, equals itself. 10 There are two tricky
exponents: 3 1 = 3 Any base with an exponent of 0 will ALWAYS EQUAL 1. 0 =1 5 0 =1 5 + 5 = 10 Exit Ticket: 4 2 1. Label the base and exponent
2. Write how you would say this.
3. Write the expanded notation of this problem.
4. Solve the problem.