Squares and Exponents
√25
5
Round 1.253
To nearest 10th
1.3
# of protons if Atomic Num = 9
9
-3 + (-7) =
-10
Simplify
27/9
3
112
121
Round 11.066
To nearest whole #
11
Mass = 11
Atomic # = 5
Neutrons = ?
6
-3 * (-7) =
21
As a mixed #
15/6
2 1/2
√25 + √9
8
Round 1.333
To nearest 100th
1.33
Mass = 12.011
Atomic # = ?
Neutrons = 6
6
-5 + 10 =
5
As a mixed #
144/12
12
23 + 52 = ?
33
Round 1.3329
To nearest 1000th
1.333
# of electrons in a neutral atom if there are 10 protons
10
-12 ÷ (-3) =
4
Simplify
270/90
3
√4 * √9 = √?
36
Round
1.339 + 5.5
To nearest 10th
6.8
Mass = 1.008
Atomic # = 1
Neutrons = ?
0
-12 ÷ (-3) – 4 =
0
As a mixed #
(144 + 36) / 12
15