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When rounding the number 0.6789 to three significant figures, what is the result
When rounding the number 0.6789 to three significant figures, what is the result?
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Practice Questions
1 question
Q1
When rounding the number 0.6789 to three significant figures, what is the result?
0.678
0.679
0.68
0.67
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When rounding to three significant figures, 0.6789 becomes 0.679.
Questions & Step-by-step Solutions
1 item
Q
Q: When rounding the number 0.6789 to three significant figures, what is the result?
Solution:
When rounding to three significant figures, 0.6789 becomes 0.679.
Steps: 4
Show Steps
Step 1: Identify the first three significant figures in the number 0.6789. The significant figures are 6, 7, and 8.
Step 2: Look at the digit immediately after the third significant figure (which is 8). This digit is 9.
Step 3: Since the digit after the third significant figure (9) is 5 or greater, we round up the last significant figure (8) by 1.
Step 4: Therefore, 0.6789 rounded to three significant figures becomes 0.679.
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