Unit 9 Questions (20-30)

Convert 7 x 10^-5 into standard notation.

0.00007

How many minutes are in 1 week?

10,080 min

Convert 0.0000002 into scientific notation

2 x 10^-7

Convert 2.86 km to cm.

2.86 x 10^5 cm

Multiply the following numbers: 72.4 x 307.6 x 11.00. Which of the following answers has the correct amount of significant figures? 244,973 244,972.64 244,972.6 245,000

245,000

When she was introduced, the container ship, Emma Maersk, was the largest ship ever constructed. It weighs 150,000 tons. How many ounces is this if there are 2000 lbs in one ton and 16 ounces in one pound?

4.80 x 10^9 oz

Convert 4900 into scientific notation.

4.900 x 10^3

bonus: Scott decided to plant a garden. He was digging a row to plant corn seeds and the package of corn seeds instructed him to bury the seeds 4-5 cm in the ground. The package also said that corn rows should be 0.5 meters apart from each other. Scott's ruler only measures in millimeters (mm). How deep should he dig the corn, and how far apart should he place the rows?

40-50 mm deep, 500 mm apart

Multiply the following numbers: 87.9 x 503.2 x 13.00. Which of the following answers has the correct amount of significant figures? 575,006.64 575,007 575,006.6 575,000

575,000 (3 sigfigs)

Sally is measuring the weight of a sodium chloride crystal. The scale indicates the crystal weighs 10.0010 g. How many significant figures are in this measurement?

6

Which prefix is equivalent to one thousand (1 x 10^3)?

kilo-

What does the symbol mm represent?

millimeter