1.
Use estimation to place the decimal point in the product
18.7 × 21 = 3927.
A.
392.7
B.
39.27
C.
3927.0
D.
3.927
Hint
2.
Find 6 × 18.52.
A.
111.02
B.
111.12
C.
1111.2
D.
108.12
Hint
3.
A dollar bill is 6.125 inches long. Caitlin used it as a measuring device and found that her shelf was 5 times the length of the dollar bill. How long is her shelf?
A.
306.05 in.
B.
30.605 in.
C.
306.25 in.
D.
30.625 in.
Hint
4.
Find 8
k
if
k
= 0.5238.
A.
3.483
B.
4.9231
C.
4.1904
D.
5.285
Hint
5.
Write 1.85 × 10
2
in standard form.
A.
1,850
B.
1.85
C.
185
D.
0.185
Hint