Exercise 2 Page 267

We want to write the given mixed number as a decimal number. -4 425 We will first rewrite it as a fraction. Let's also ignore the negative sign for just a moment.

4 425

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Rewrite 4 425 as 104/25

MixedToFrac

a bc=a* c+b/c

4* 25+4/25

Multiply

Multiply

100+4/25

AddTerms

Add terms

104/25

We found that 4 425 is equal to 104 25 when it is written as a fraction. Next, we can expand the numerator and the denominator of the fraction to write it as a decimal. Let's do it!

104/25

ExpandFrac

a/b=a * 4/b * 4

104* 4/25* 4

Multiply

Multiply

416/100

CalcQuot

Calculate quotient

4.16

We found that 10425 written as a decimal is 4.16. Since we previously found that 4 425 is equal to 10425, we can say that 4 425 written as a decimal is 4.16. 4 425= 10425=4.16 Therefore, - 4 425 is equal to - 4.16.