Powers of 10
Which expression will the decimals point move to the 2 places to the left?
a. 14.7 x 103
b. 14.7 ÷ 103
c. 14.7 x 102
d. 14.7 ÷ 102
d. 14.7 ÷ 102
42 x 18
756
1892 ÷ 6=
315 r2
2.17 x 0.39=
0.8463
2.09 ÷ 8=
0.26 r0.01
When multiplied by 102 how much does the place value of 83.45 increase?
Increases by 2 because 83.45 is multiplied by 100.
406 x 9
3654
An average-sized gray whale eats 9,849 pounds of plankton per week. On average, how much does it eat per day?
1,407 pounds
23.7 x 12=
284.4
3.36÷7=
0.48
18.6 x 106
18,600,000.
63 x 59
3717
154 ÷ 7=
22
3.17 x 8.2=
25.994
6.65÷5=
1.33
Which equation is correct?
a. 8.24 ÷ 103= 8240.
b. 8.24 ÷ 102= .824
c. 8.24 ÷ 102= .0824
d. 8.24 ÷ 101 =82.4
c. 8.24 ÷ 102= .0824
318 x 262
83316
Astronauts on the space station have 1,320 pounds of food. The next food delivery is five days away. How many pounds of food can the astronauts eat per day?
264 pounds of food
The Anderson's have a booth at the farmer's market they set up each weekend over the summer. They sell homemade apple pies for $9.75 each. On Saturday, they sold 7 pies. How much money did they make selling pies on Saturday?
$68.25
Katy split a rope that was 49.12 inches into 4 equal parts. What is the length of each part?
12.28 inches
What number would go in the blank to make the equation true?
78.372 x _____= 7837.2
a. 101
b. 102
c. 103
d. 104
b. 102
94 x 26
2444
1,093 ÷ 9=
121 r4
They carefully measure out the ingredients to make their pies. Each pie they make has 5.33 cups of apples in the filling. How many cups of apples are in 6 pies?
31.98 cups
Sheena paid $34.11 to buy 9 hot dogs. How much did each hot dog cost?
$3.79