Powers of 10 and exponents
4 × 10^■ = 4,000
3
187 x 4
748
528 x 73
38,544
What number is 1/10 of 5,000?
500
The planet Neptune takes about 165 years to make a complete orbit around the Sun. About how many years does Neptune take to make 18 complete orbits?
2,970 years
7 × 10^■ = 700,000
5
3,160 x 8
25,280
17,438 x 26
453,388
What number is 10 times as much as 40,000?
400,000
The population of the town Val lives in is about 8 × 103 . The population of the town Vic lives in is about 6 × 104 . Whose town has the greater population? By how many people?
Vic’s town: 52,000 people
67 × 104
670,000
24,079 x 5
120,395
8,023 x 69
553,587
What number is 10 times as much as 800,000?
8,000,000
Forty boxes of baseballs weigh a total of 1,200 pounds. How many pounds would 4 boxes of baseballs weigh? How many pounds would 400 boxes of baseballs weigh?
part 1: 120 pounds part 2: 12,000 pounds
160 × 102
16,000
25,455 x 4
101,820
856 x 58
49,648
What number is 1/10 of 20,000?
2,000
Last month, an office supply store sold 125 chairs for $68 each and 28 desks for $256 each. What is the total amount of the sales?
$15,668
Select all the equations that represent a product of 54,000.
A) 2,700 × 2 =
B) 600 × 90 =
C) 1,800 × 30 =
D) 54 × 104 =
E) 9 × 6 × 103=
F) (6 × 10) × (9 × 100) =
B) 600 × 90 = 54000
C) 1,800 × 30 =54000
E) 9 × 6 × 103= 54000
F) (6 × 10) × (9 × 100) = 54000
34,761 x 7
243,327
21,155 x 43
909,665
What number is 10 times as much as 542,000?
5,420,000
Mr. Simmons drives 32 miles each day to work and back. Ms. Lee drives 45 miles each day to work and back. Mr. Simmons drove to work and back 232 days last year. Ms. Lee drove to work and back 198 days last year. Who drove more and by how many miles?
Ms. Lee; 1,486 miles