Expressions
Slide 2
A
Slide 8
5
Slide 14
27.66
Slide 20
$2.14
Slide 26
2 : 3
Slide 3
0.027
Slide 9
They are not equivalent because 3m is m + m + m or 3 x m and m^3 is m x m x m.
Slide 15
40.21
Slide 21
$22
Slide 27
C
Slide 4
B
Slide 10
B and D
Slide 16
0.3
Slide 22
They are both correct because 5^2 is equivalent to 5 x 5. They both equal 25.
Slide 28
D
Slide 5
C
Slide 11
a + 6b + 6
Slide 17
362
Slide 23
Amaiya is incorrect. She forgot that a coefficient shows how many times the variable should be multiplied. 67h when h = 3 is 67 x 3 = 201, not 673
60
Slide 6
34,323
Slide 12
8,341
Slide 18
I notice that when I multiply by each power of ten, the product is 10 times the one before it.
8.45 x 10 = 84.5
8.45 x 100 = 845
8.45 x 1000 = 8,450
Slide 24
6 servings
Slide 30
150 papers per hour