Powers of 10
102 as a multiplication expression
10 x 10
36 x 10
360
54 x 23
55 x 25 = 1,375
50 x 20 = 1,000
15 x 24
360
A sporting goods store sold 24 mountain bikes. How much money did they make selling bikes if each bike costs $249?
$249 x 24 = $5,976
105 as a multiplication expression
10 x 10 x 10 x 10 x 10
47 x 1,000
47,000
83 x 19
85 x 20 = 1,700
80 x 20 = 1,600
33 x 78
2,574
$367 x 12 = $4,404
10 x 10 x 10 x 10 as an exponent
104
13 x 104
130,000
853 x 34
855 x 35 = 29,925
850 x 30 = 25,500
900 x 30 = 27,000
421 x 52
21,892
At a school fundraiser, 327 donors give $25 each. How much money does the school collect?
$25 x 327 = $8,175
solve for 107
10,000,000
82 x ___ = 820,000
104
537 x 98
540 x 100 = 54,000
500 x 100 = 50,000
154 x 36
5,544
A store has 60 boxes of shirts with 152 shirts in each box. How many shirts are there in all?
60 x 152 = 9,120 shirts
solve for 109
1,000,000,000
27 x ___ = 2,700,000
105
5,497 x 219
5,500 x 220 = 1,210,000
5,000 x 200 = 1,000,000
452 x 273
123,396
A rectangular screen measures 245 inches long and 84 inches tall. What is the area of the screen?
245 x 84 = 20,580 square inches