

1. 
Use estimation to place the decimal point in the product 18.7 × 21 = 3927. 


A. 
3.927 
B. 
39.27 


C. 
392.7 
D. 
3927.0 


Hint 


2. 
Find 0.3 × 5. 


A. 
1.5 
B. 
0.15 


C. 
150 
D. 
15 


Hint 


3. 
Evaluate 4x if x = 0.016. 


A. 
64 
B. 
0.64 


C. 
0.064 
D. 
6.4 


Hint 


4. 
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. 
30.625 in. 
B. 
30.605 in. 


C. 
306.05 in. 
D. 
306.25 in. 


Hint 


5. 
Antonio earns $7.65 per hour. How much money does he make if he works 8 hours? 


A. 
$60.80 
B. 
$612.00 


C. 
$61.20 
D. 
$6.12 


Hint 

