rounding and significant figures Flashcards
Round 4.67 to the nearest whole number.
5.
If the digit to the right of the rounding place is 5 or higher, what do you do?
Increase the rounding place by one.
What is a significant figure?
A significant figure is a digit that carries meaning contributing to its precision.
How many significant figures are in the number 0.0045?
2.
Fill in the blank: The number 1002 has ___ significant figures.
4.
What is the rule for counting significant figures in a number with a decimal?
All non-zero digits are significant, and any zeros between them are also significant.
Round 123.456 to three significant figures.
123.
In the number 0.00789, how many significant figures are there?
3.
Round 0.00567 to two significant figures.
0.0057.
Fill in the blank: The number 2500 has ___ significant figures if written as 2.5 x 10^3.
2.
Round 789.123 to the nearest whole number.
789.
True or False: The number 0.0304 has three significant figures.
True.
Round 3.14159 to four significant figures.
3.142.
Fill in the blank: The number 6000 has ___ significant figures unless specified by a decimal.
1.
What is the maximum number of significant figures in the number 987.654?
6.
Round 456.78 to two decimal places.
456.78.
What is the value of the digit 5 in the number 5,432?
5000
True or False: In the number 3,256, the digit 2 is in the tens place.
False
Fill in the blank: In the number 7,890, the digit 8 represents _____.
800
Which digit has the greatest value in the number 9,482?
9
What is the place value of the digit 3 in the number 4,305?
300
Expresa 9,767,000 a tres cifras significativas.
9.77
Expresa 9,767,000 a dos cifras significativas.
9.8
Expresa 0.004345 a dos cifras significativas.
0.0043
Expresa 5.0678 a tres cifras significativas.
5.07
Expresa 5.0678 a dos cifras significativas.
5.1
