What is the prime factorization of 50?
5 x 5 x 2
52 x 2
What is the LCM of 90 and 50
LCM(90,50)
LCM (90,50)=450
90, 180, 270, 360, 450
50, 100, 150, 200, 250. 300, 350, 400, 450, 500
What is the Greatest Common Factor of 30 & 12
6
3x2
Rewrite 7(3) + 7(6).
7x(3+6)
7x9
63
What is 115?
1
Prime factorization of 33
3x11
What's the least common multiple of 30 and 12?
60
2x3x5x2
30, 60, 90, 120
12, 24, 36, 48, 60
GCF of 10, 35
5
Rewrite 9 (7-3)=
9x(7)-9(3)=
53 (6+3x2). What do you do first, second, and third?
First: exponents 53
Second: parenthesis 3x2
Third: parenthesis 6+6
Prime factorization of 45
5 x 3 x 3
LCM (10,12)
60 = 5 X 2 X 6
10, 20, 30, 40, 50, 60
12, 24, 36, 48, 60
GCF (42, 36)
6
Rewrite 3d(6+4)
3d(6)+3d(4)
Solve 24
16
What is the prime factorization of 63?
7 x 3 x 3
7 x 32
LCM (24, 14)
168 (3 x 2 x 2 x 2 x 7)
24, 48, 72, 96, 120, 144, 168
14, 28, 42, 56, 70, 84, 98, 112, 126, 140, 154, 168
GCF (124, 62)
62
5(10)-5(6)
Solve 24 (42 - 3x2)
Exponents first so
16 (16 - 3 x2)
16 (16-6)
16(10)
160
2 x 2 x 2 x 5 x 13
23 x 5 x 13
LCM (36, 21)
252 (3 x 2 x 2 x 3 x 7)
36, 72, 108, 144, 180, 216, 252
21, 42, 63, 84, 105, 126, 147, 168, 189, 210, 231, 252
GCF (12, 27, 30, 60)
3
Rewrite 9y(5x7) + 3(5-2)
9y(5)x9y(7)+3(5)-3(2)
Solve 5x2(42 / 2+2)
exponent
5x2(16 / 2 + 2)
5x2(8 + 2)
5x2(10)
10(10)
100