jazzy63
jazzy63 jazzy63
  • 02-09-2016
  • Mathematics
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need help on both of them

need help on both of them class=

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SyntaxError
SyntaxError SyntaxError
  • 02-09-2016
7) Write the decimal number as a fraction
(over 1)
2.18 = 2.18 / 1

Multiplying by 1 to eliminate 3 decimal places
we multiply top and bottom by 3 10's

Numerator (N)
N = 2.18 × 10 × 10 × 10 = 2180
Denominator (D)
D = 1 × 10 × 10 × 10 = 1000

N / D = 2180 / 1000

Simplifying our fraction

= 2180/1000

= 109/50

= 2  9/50

8)[tex]7 ^{-5} = \frac{1}{7^{5}} [/tex]
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