Powers of 10
#1. Which of these are equivalent to 3.8 X 103? Choose all that apply.
B.) 3.8 X 10 X 10 X 10
D.) 3,800
#3. Ben earns $2.75 for each crate of berries he picks. How much would Ben earn if he picks 4 crates of berries?
$11
#6. Which equation is represented by the decimal grid?
D.) 0.3 X 0.9 = 0.27
#14. A baker uses 0.9 pounds of blueberries to make a pie. How many pounds of blueberries does the baker need to make 36 pies?
32.4
#2. Knowing that 4.8 X 102 =480, what is 4.8 X 104?
C. 48,000
#7. A sandwich shop uses 0.12 pound of bacon on each sandwich. How much bacon will the shop need to make 7 sandwiches?
0.84
#9. Bruce knows that 5.8 X 17 = 98.6. Use place-value patterns to decide whether each equation is True or False.
1. True
2. False
3.True
4. False
#15. Deirdre fills 43 bubble containers with bubble mix. Each bubble container holds 2.7 ounces. How many ounces of bubble mix does Deirdre use?
116.1
#4. According to his step-counter, Jerry walked 4.5 X 104 steps during the past week. How many steps did Jerry walk last week?
D. 45,000 steps
#8. A dog's rectangular play area is 3.9 meters wide and 16 meters long. Wat is the area of the play area?
62.4 square meters
#10. Jaquan knows that 47 X 0.36 = 161.92. What is 4.7 X 3.6?
B.) 16.92
#16. What is the value of the digit 2 when 6.42 is multiplied by 102 ?
C) 2
#11. A rectangular photograph measures 9.2 inches long by 3.8 inches wide. What is the area of the photograph?
34.96 square inches
#12. What is the product? Use place-value patterns to solve the equations.
58 X 71= 4,118
58 X 7.1 =____
0.58 X 71 = _____
411.8
41.18
#17. Which expression written in standard form will have the greatest amount of zeros in the product?
D) 50 X 102
#13. Theodore buys mangoes for $4.80 per pound. How much money does Theodore need if he buys 3.7 pounds of mangoes?
$17.76
#5. Which sum is equivalent to 3.7 X 0.6?
D.) 1.8 + 0.42