Sig Fig Calculations Daily

What is the main purpose of calculating with significant figures?

• To preserve accuracy

• To preserve precision

• To keep track of certainty

• To determine where to round

Select the operations that require significant figures to determine the final answer.

• Addition

• Subtraction

• Multiplication

• Division

Select the operations that use the least precise digits to determine the final answer.

• Addition

• Subtraction

• Multiplication

• Division

If we are multiplying 3.98 x 4.77652 x 35648.999, how many significant figures should the final answer have?

• 3

• 6

• 8

• 2

If we are adding the numbers 4.5 + 5.46 +6.7783, to which digit should the final answer be rounded?

• Tenths

• Hundredths

• Thousandths

• Ten thousandths

20.0/5=

• 4

• 4.0

• 4.00

• 4.000

5 + 5.0 + 5.00 =

• 15

• 15.0

• 15.00

• 15.000