order of operations
6+3x4
18
How many ways for green, blue, red with no repetition
6
10, 10, 12, 13, 14 range?
4
+9 + +9 =
+18
A number plus 0 is always that number
Identity property of addition
3+ (2 to the second power)
7
How many ways for ABC with repetition
27
10, 10, 10, 10, 12, 13 mode?
10
+9 + -9=
0
a number times 1 is always itself
Identity property of multiplication
6+12/4
9
How many ways for ABCD without repetitions
24
10
+9 - -9=
+18
3+4=4+3
Commutative property of addition
50-2*10
30
How many combinations for ABCD with combinations
256
12, 13, 14, 16, 17, 18, 20 median?
16
-9 - -9=
0
6*4=4*6
Commutative property of multiplication
(2 to the 5th power) - 10
22
How many phone numbers like this
357-1230 all numbers could be repeated
10,000,000
3, 12, 15, 2, 22, 14, 90 median?
14
-9x-9=
81
3 + (4+5)= (3+4) +5
Associative property of addition