If x=3.8 X 10^3. y=5.7 X 10^-3. & z=9.1 X 10^5. evaluate:

Linda has an approximate heart rate of 83 beats per minute

How many beats will Lindy's heart make during her expected life-span of 78 years? (365 days in a year)

0.00452

How many S.F?

4.001

How many S.F?

0.0453

Round to 2 S.F

2.526

Round to 2 S.F

Give answer to appropriate level of accuracy

A painting is 787mm wide and 679mm high. What is the length of the diagonal?

Give answer to appropriate number of Sig Figs

A square has an area of 67 cm^2. Find the length of one of the sides

67.4500

How many S.F?

Values/Directions

Sig Figs/Answer

Question

0.0045

Round to 2 S.F

34.52

How many S.F?

89000

Round to 1 S.F

0.347

Round to 2 S.F

The radius of a planet has been estimated to be 4720000000 meters

Write in Standard Form

1200

How many S.F?

23,000,000

The world's oceans contain about 23 million cubic kilometers of water. If this water were made into a giant ice cube what would be the approximate length of a side?

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