Round up to three significant figures
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Lesson details
Key learning points
- In this lesson, we will learn how to round numbers to 1, 2 or 3 significant figures
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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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5 Questions
Q1.
Round 34.678 to two decimal places.
33.67
34.67
35.68
Q2.
Round 0.99601 to two decimal places.
0.10
0.99
1
Q3.
Round 12.004827 to two decimal places.
12
12.0048
12.01
Q4.
Which of the following cannot be rounded to 103.56?
103.555
103.557
103.559
Q5.
A number has been rounded to 7.84. Which of the following could that number be?
7.849
7.853
7.88
5 Questions
Q1.
Round 128 to one significant figure.
120
128.0
130
Q2.
Round 0.0030482 to two significant figures.
0.00
0.003048
0.31
Q3.
Round 476.8594 to three significant figures.
476.859
480
7
Q4.
Which of the following cannot be rounded to 567 000?
566 900
567 009
567 065
Q5.
A number has been rounded to 709 to three significant figures. Which is the only one of the following that could be that number?
7.089
708.49
710.1