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A manufacturer determines that the cost of making a computer component is $4.252525. Write the repeating decimal cost as a fraction and as a mixed number.

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Answer:

Step-by-step explanation:

First write down the decimal number divided by 1:

4.252525 divided by 1

 As we have 6 digits after the decimal point in the numerator, we need to multiply both the numerator and denominator by 10^6 = 1000000, so that there is no decimal point in the numerator.

(4.252525 × 1000000)  divided by (1 × 1000000)

=  4252525 /1000000

Since the greatest common factor of 4252525 and 1000000 is 25, we can simplify the fraction and show the same amount

4252525 ÷ 25

1000000 ÷ 25

=  170101 /40000

As the numerator is greater than the denominator, we have an improper fraction, so we can also express 4.252525 as a mixed number, thus 170101/40000 is equal:

4   10101 /40000

The repeating decimal cost as a fraction and as a mixed number is  [tex]4\dfrac{10101}{40000}[/tex]  

What is the fraction?

A fraction is defined as a numerical representation of a part of a whole that represents a rational number.

What are Arithmetic operations?

Arithmetic operations can also be specified by the  addition, subtract, divide, and multiplying built-in functions.

Given number as

⇒ 4.252525

Rewrite the decimal number as a fraction with 1 in the denominator

⇒  [tex]\dfrac{4.252525}{1}[/tex]

Multiply to remove 6 decimal places. Here, you multiply top and bottom by 10⁶ = 1000000

⇒  [tex]\dfrac{4.252525}{1} \times \dfrac{1000000}{1000000} = \dfrac{4252525}{1000000}[/tex]

Determine the Greatest Common Factor (GCF) of 4252525 and 1000000, if it exists, and reduce the fraction by dividing both numerator and denominator by GCF = 25,

⇒ 4252525 ÷ 25

⇒ 1000000 ÷ 25

⇒  [tex]\dfrac{170101 }{40000}[/tex]

Simplify the improper fraction,

⇒  [tex]4\dfrac{10101}{40000}[/tex]  

Hence, the repeating decimal cost as a fraction and as a mixed number is  [tex]4\dfrac{10101}{40000}[/tex]  

Learn more about the fraction here:

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