Sec 1 Math Chapter 3

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Last updated 10:48 AM on 9/21/26
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5 Terms

1
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How do you round a number?

Look at the digit immediately after the required place. If it is 5 or more, round up. If it is less than 5,leave the digits unchanged.

2
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What are decimal places?

The number of digits after the decimal point.

3
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What are significant figures?

The digits in a number that contributes to its accuracy, starting from the first non-zero digit.

4
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How do you round a number into

5
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What is approximation

Finding a value which is close to the exact value.