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Exponents to the Power of 2

Exponents to the Power of 2. An exponent is a number that show how many times a base is used as a factor. 7 ⁴ = 7*7*7*7 7 ⁴=2401. Exponents. When a number is squared -that means the base is used as a factor 2 times

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Exponents to the Power of 2

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  1. Exponents to the Power of 2

  2. An exponent is a number that show how many times a base is used as a factor. 7⁴ = 7*7*7*7 7⁴=2401 Exponents

  3. When a number is squared-that means the base is used as a factor 2 times • When a number is cubed – that means the base is used as a factor 3 times • Sometimes exponents are written in word form. 4⁵ is written as four to the power of five Exponents

  4. Practice Book page 14.1 (correct) Math Journal 2 page 211-212 Math Masters page 92 Practice

  5. Write 53,471 in expanded form in your math spiral. 50,000 + 3,000 + 400 + 70 + 1 • Now separate each numeral and multiply it by the place value it sits in 5 x 10,000 + 3 x 1,000 + 4 x 100 + 7 x 10 + 1 • Next use exponents and 10 as the base number to rewrite the place value number 5 x 10⁴ + 3 x 10³ + 4 x 10 + 7 x10 + 1 Exponents and Expanded Form 2

  6. Math Practice Book page 14.2 Problem Solving 14.2 Math Journal 2 page 215, 218 Math Masters page 298 Practice

  7. Math Journal 2 page 216 • A negative exponent tells you which place value to go to: -1 = tenth place -2 = hundredth place -3 = thousandth place -4 = ten-thousandth place Negative Powers of 10

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