1.
Find the area of a circle with a diameter of 10 meters to the nearest square meter. (Use 3.14 for
)
A.
79 square meters
B.
314 square meters
C.
157 square meters
D.
154 square meters
Hint
2.
Find the area of a circle with radius 3.3 m. Round the answer to the nearest tenth. Use
.
A.
34.2 in
2
B.
10.4 in
2
C.
20.7 in
2
D.
136.8 in
2
Hint
3.
Find the area of a circle with diameter 5.04 km. Round the answer to the nearest tenth. Use
.
A.
49.7 km
2
B.
19.9 km
2
C.
24.8 km
2
D.
76.8 km
2
Hint
4.
Choose the best estimate for 9.08 · 5.2.
A.
100
B.
45
C.
0.5
D.
450
Hint
5.
Find 24.34 + 6.7.
A.
31.04
B.
25.01
C.
91.34
D.
32
Hint
6.
Find 39.45 - 18.578.
A.
14.633
B.
20.882
C.
14.733
D.
20.872
Hint
7.
Simplify 8 + 2 · 7 + 1.
A.
24
B.
18
C.
23
D.
71
Hint
8.
Simplify 11 + 4 + 5 · 2 + 2.
A.
24
B.
35
C.
42
D.
27
Hint
9.
Find
· 8.
A.
52
B.
C.
50
D.
Hint
10.
Find 5 ·
.
A.
6
B.
C.
D.
7
Hint