Sec 3.1 Writing Decimals and Fractions as Percents

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Sec 3.1 Writing Decimals and Fractions as Percents. Objectives Write a percent as a decimal Write a percent as a fraction Write a fractional percent as a decimal Write a decimal as a percent Write a fraction as a percent. Percents are: hundredths, or parts of 100. Summary.
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Sec 3.1 Writing Decimals and Fractions as Percents
  • Objectives
  • Write a percent as a decimal
  • Write a percent as a fraction
  • Write a fractional percent as a decimal
  • Write a decimal as a percent
  • Write a fraction as a percent
  • Percents are:
  • hundredths, or
  • parts of 100
  • Summary
  • To Write a Percent as a Decimal:
  • Delete the percent sign
  • Move the decimal point two places to the left.
  • Summary
  • To Write a Percent as a Fraction:
  • First write the percent as a decimal
  • Next, write the decimal as a fraction
  • Finally, write the fraction in lowest terms.
  • Summary
  • To Write a Fractional Percent as a Decimal:
  • Write the fraction as a decimal percent
  • Convert the decimal percent to a decimal--ie. delete the percent sign and move the decimal point two places to the left.
  • Summary
  • To Write a Decimal as a Percent:
  • Move decimal point two places to the right
  • Attach percent (%) sign.
  • Summary
  • To Write a Fraction as a Percent:
  • Multiply the fraction by 100 and express the result in lowest terms
  • Attach percent (%) sign.
  • Solutions to ExercisesP. 89 5. 2.034 = 203.4%Solutions to ExercisesP. 89 14. .2108 = 21.08%Solutions to ExercisesP. 89 24. Homework Sec 3.1 Divisible by 3In other words: 3, 6, 9, 12, . . . 83.
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