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?

34.52

How many S.F?

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

4.001

How many S.F?

Give answer to appropriate level of accuracy

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

56720

Round to 2 S.F

0.00340

How many S.F?

Values/Directions

Sig Figs/Answer

Question

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

Write in Standard Form

0.0045

Round to 2 S.F

89000

Round to 1 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?