1.
Which operation should be done first when evaluating 15 - 5 ÷ 3 + 2 - 1?
A.
addition
B.
subtraction
C.
division
D.
multiplication
Hint
2.
Evaluate 5 + 6 - 2 + 4.
A.
17
B.
13
C.
7
D.
5
Hint
3.
Evaluate 27 ÷ 3 · 3 + 5.
A.
8
B.
72
C.
32
D.
17
Hint
4.
Name the operation that should be done first in the expression
9 × (7 - 3) ÷ 2.
A.
division
B.
subtraction
C.
multiplication
D.
addition
Hint
5.
Multiply 45.3 × 10
2
.
A.
0.453
B.
453
C.
4.53
D.
4,530
Hint