400 = 2×2×2×2×5×5.
400 = 2^4 × 5^2 .
Answer:
4
Step-by-step explanation:
Answer:
It is 2/7 please mark me brainliest
Step-by-step explanation:
Answer:
12 machines
Step-by-step explanation:
The production rate per machine is 1240/20 = 62
For 1,984 printers it would take 32 machines (1984/62 = 32)
32 needed minus the 20 they already have means they need 12 more machines.
You have to do 91/13 which is 7 which means that each hen lays 7 eggs per week so the unit rate is 7