The cost to park a car in a parking lot is $3.45 per hour. Maliki parked his car for 4 hours on Monday and 3 hours on Tuesday. How much did he spend on parking?
$10.35
7.7 x 6.7
51.59
If you are multiplying a number by a power of ten that includes an exponent, what direction will the decimal move?
Right
24.5 x 0.3
7.35
3.3 x 4.15
13.695
3 x 3.1
9.3
2.1 x 6.1
12.81
How many places and to what direction will the decimal move in the following problem? 16.82x0.001
Three places to the left.
5.6 x 10.7
59.92
0.4 x 0.02
0.008
0.9 x 5
4.5
4 x 6.81
27.24
5.8 x 2.2
12.76
1.6 x 4.3
6.88
Sue buys material to make a costume. She buys 1.75 yards of red material. She buys 1.2 times as many yards of blue material. How many yards of blue material does Sue buy?
2.1 yards
7.3 x 5.6
40.88
10.65 x 9.6
102.24
If you are multiplying a number by a power of ten that includes an exponent, how do you know how many places to move the decimal?
Look at the exponent. It moves that many places.
10 x 4.15
41.5
6.3 x 6.3
51.59
Josey is making lanyards for a convention. She needs to make 1,000 lanyards and knows that 1 lanyard uses 1.75 feet of cord. How much cord will Josey need?
1,750 yards
0.62 x 0.9
0.558
1.3 x 7.2
9.36
How many places and to what direction will the decimal move in the following problem? 16.82x100
Two place to the right.
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