## Approximations Answers

## 1. What is 7.53 rounded to the nearest whole number?

## 8

##

## 2. What is 548.9 rounded to the nearest hundred?

## 500

##

## 3. Round 4.0623 to one decimal place

## 4.1

##

## 4. What 12,385 rounded to the nearest ten?

## 12,390

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## 5. What is 3.19423 rounded to 3 decimal places?

## 3.194

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## 6. What is 293 rounded to one significant figure?

## 300

##

## 7. What is 0.51 rounded to 1 significant figure?

## 1

##

## 8. Estimate the value of 19 x 28

## ~300

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## 9. A stack of 570 sheets of paper is 5.2cm thick, estimate the thickness of one sheet of paper

## 0.009cm

##

## 10. 28 has been rounded to the nearest whole number, what are the upper and lowers bounds?

## 28.5<28<27.5

##