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7-2 Multiplying Powers with same Base

7-2 Multiplying Powers with same Base. Objective: “ Ditto”. 7-2 Multiplying Powers with same Base. Identify base: Identify exponent: Value:  = General Rule:  =

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7-2 Multiplying Powers with same Base

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  1. 7-2 Multiplying Powers with same Base Objective: “ Ditto”

  2. 7-2 Multiplying Powers with same Base • Identify base: • Identify exponent: • Value: •  = • General Rule:  = • When multiplying like bases, keep the base, ADD the exponents.

  3. 7-2 Multiplying Powers with same Base • Example 1: Simplify •  = •  = • Got it?? P. 426 1 a, b, c, d, e

  4. 7-2 Multiplying Powers with same Base • Example 2: Simplify: Solution MUST ALWAYS BE POSITIVE exponents ONLY. •  = •   = • Got it 2 P. 426 1 a, b, c, d, e

  5. 7-2 Multiplying Powers with same Base • Example 3: P. 427 At 20° C, one cubic meter of water has a mass of about 9.98 X • Each gram of water contains 3.34 X molecules of water. How many molecules does • V = 1.13 X contain?

  6. 7-2 Multiplying Powers with same Base • Example 4: Simplify • A fraction exponent means find the number when multiplied 4 times results in 81. • 9  9 = 81 • 3  3  3  3 = 81 = 81 • = 3 = 3 • Fractions or the division bar undoes the exponents or square roots it.

  7. 7-2 Multiplying Powers with same Base • Example 4: Simplify • = 3 Fractions or the division bar undoes the exponents or square roots it. • = • =

  8. 7-2 Multiplying Powers with same Base • Example 5: Simplify • =   • 

  9. 7-2 Multiplying Powers with same Base • Example 6: Simplify • (  )()

  10. 7-2 Multiplying Powers with same Base • Homework: P. 429 9 – 25 odds

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