Pre-Algebra Test 2 Review B

Which option correctly expresses 0.0000000496 in scientific notation?

• 0.00165

• 0.000165

• 1650

• 16500

• Wrote 4.5 instead of 4.05

• Used a base of 10 instead of 6

• Had a positive power instead of a negative

• Decimal is NOT greater than 10.

At its closest approach, Mars is 35,000,000 miles from Earth. What is this distance in scientific notation?

Tea is shipped to a grocery store in shipments that weigh 50 lb. 12 oz. If the store received 20 shipments, how many pounds of tea did the store receive?

• 1,015 lb.

• 1,000 lb.

• 1000 lb. 240 oz.

• 50 lb. 32 oz.

John ran 3 miles in 20 min. 12 sec. Peter ran the same distance in 21 min. 5 sec. How much longer did it take Peter to run the distance than John?

• 53 sec.

• 1 min.

• 1 min. 7 sec.

• none of these