Power of 10
Which of the following is equivalent to 10 × 10 × 10 × 10 × 10?
101 105 103 106
105
What number has 4 ten thousands, 6 thousands, 6 hundreds, 7 tens, and 8 ones?
46,678
Aislynn bought two pens. Each pen was $2. She also bought 5 books. Each book was $7. How much money did Aislynn spend?
Aislynn spent $39.
2 (pens) x 2 ($) = $4
5 (books) x 7 ($) = $35
$35 + $4= $39
12 x 9
108
What is the value of the 5 in 65,072
5,000
What is equivalent to 107?
10 x 10 x 10 x 10 x 10 x 10 x 10
60 million, 2 thousand, 60
How do you write it using digits?
60,020,060
Ari has $25. She went to the store and bought three shirts. Each shirt cost $4. How much money does she have left?
3 (shirts) x 4 ($) = $12
$25 - $12= $13
Ari has $13 dollars left.
102 x 5
510
The Mt Timpanogos is about 12,000 feet tall. What is the height written as a whole number multiplied by a power of 10?
12 x 103
Evaluate (find value) of 103
1,000
Write 67,901 in expanded form using powers of 10.
(hint: 900= (9 x 102)
(6 x 104) + (7 x 103) + (9 x 102) + (0 x 101) + (1 x 100)
Henry was collecting coins. He got 5 coins from his piggy bank and 8 coins from his brother. His dad gave Henry 6 coins. Henry gave 5 of the coins to his friend Hipa. How many coins did Henry have left?
Henry has 14 coins left.
5 + 8= 13
13 + 6=19
19- 5= 14
172 x 9
1548
True or false, 540 x 106 = 54,000,000
false; 540,000,000
Write in exponential form
109
4,000 is 10 times as much as __________.
400
Amy needs 87 paper plates for a birthday party. She already has 13 blue plates and 36 red plates. How many more plates should Amy buy?
Amy needs to buy 38 more plates.
13+ 36= 49
87-49=38 plates
1,421 x 12
17,052
The school ordered 40 cases of chocolate milk. Each case had 5,000 cartons of milk. How many cartons of milk did the school order?
The school ordered 200,000 cartons of milk.
Solve.
36 x 105
3,600,000
1/10 of 80,000 is ________.
8,000
Malia has 9 blue dogs. She has 3 fewer yellow dogs than blue dogs. She has 7 times as many green dogs as yellow dogs. How many dogs does Malia have in all?
Malia has 57 dogs.
9 (blue) - 3= 6 yellow dogs
6 (yellow) x 7= 42 green dogs
9(blue) + 6 (yellow) + 42 (green)= 57 dogs
972 x 123
119,556
There are 52 weeks in a year. If Zeke eats 43 bags of chips a week, how many chips does he eat in a year?
Zeke eats 2,236 bags of chips a year