2. Which of the following is a standard unit of measurement?
A. a pail of sand
B. 3 cm length of wire
c. 1 roll
of cake
D. 3 glasses of milk
3. Convert 15,000 meters to kilometers.
А. 1.5 km
B. 15km
C 150 km
D. 1 5ookm
4. If 1 pound is equivalent to 16 ounces, how many pounds are there in 64 ounces?
A. 2 oz
8.4 OZ
C. 602
D. BOZ​