Exponents
62
36
Probability of picking the blue marble from a bag with 2 red marbles and 1 yellow marble.
1/4, 25%
GCF of 6 and 9
3
LCM of 5 and 6
30
3 subtracted by 1
8 8
2/8
42 + 82
80
Probability of getting heads when 2 coins are tossed.
1/2, 50%
GCF of 12 and 18
6
LCM of 2 and 8
8
3 subtracted by 2
2 4
1
44(18+22)
1280
A die is rolled. What is the probability of getting a prime number.
1/2, 50%
GCF of 12 and 25
1
LCM of 12 and 8
24
3 subtracted by 1
4 2
1/4
82 x 62
2,304
A bag contains 5 red marbles, 10 blue marbles, and 15 green marbles. What is the probability of getting a blue marble?
1/3, 33.333%
GCF of 16 and 40
8
LCM of 8 and 10
40
5 subtracted by 6
4 4
-1/4
62 + 8
44
A box containing 20 pens, which 5 are defective is on a desk. What is the probability of picking a defective pen.
1/4, 25%
GCF of 15 and 30
15
LCM of 13 and 39
39
10 subtracted by 4
5 8
1 1/4