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Sagot :
a: 5.2 / 100 = .052 the reason for this is the 5 goes from the ones place to the hundredths place
b: 7,650 / 1000 = .7.65 this is because the decimal jumps 3 spots to the left
b: 7,650 / 1000 = .7.65 this is because the decimal jumps 3 spots to the left
Answer:
[tex]a) 10^{2}\\b)~ 10^{3}[/tex]
Step-by-step explanation:
We are given the following information.
We have to complete the division problem by filling in the right powers of 10.
We know that:
Negative exponential powers:
Any number raised to negative power can be written as:
[tex]x^{-a} = \displaystyle\frac{1}{x^a}\\\\10^{-2} = \frac{1}{10^2} = \frac{1}{100}[/tex]
Division by powers of 10:
- Move the decimal point to the left as many places as there are zeros in the factor we are dividing the number.
- Move the decimal point one step to the left when dividing by 10.
- Move the decimal point two steps to the left when dividing by 100 and so on.
Solving can be done in the following manner:
[tex]a)~5.2 \div 10^{2} = 0.052\\\\= 5.2\times \displaystyle\frac{1}{100} = \frac{5.2}{100} = 0.052\\\\b)~7650 \div 10^{3} = 7.650\\\\= 7650\times \displaystyle\frac{1}{1000} = \frac{7650}{1000} = 7.65[/tex]
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