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The rule is - whatever number of decimal places you're rounding off to - look at the NEXT number...
For example - round 23.456 to two decimal places. The number in the THIRD decimal place is 5 or more so you round UP to get 23.46.
IF the number had been 23.454, you would round DOWN to yield 23.45.
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How many significant numbers are in 890 degrees?
There are 2 or 3 significant figures. It could be 894° rounded to 2 significant figures; It could be 889.6° rounded to 3 significant figures.
What is 188100 rounded to two significant numbers?
188,100 rounded to two significant figures is 190,000
Where can significant figures be used for?
There are two types of significant figures, measured and exact. Numbers are often rounded to avoid reporting insignificant figures. Numbers can also be rounded merely for simplicity rather than to indicate a given precision of measurement.
What does 7.438788 rounded to one decimal point?
To one significant figure 7 Rounded off to two significant figures (tenths in your example) 7.4
What is the quotient of 9 and 981?
Expressed as a decimal, rounded to three significant figures, 9/981 = 0.00917
