Four light bulbs use different amount of electricity as shown below A) 400 watt in 10 hours
B) 200 watts in 8 hours
C) 180 watts in 3 hours
D) 140 watts in 4 hours
which light bulb uses the least amount of electricity per hour?

The answer is light bulb letter B

Step-by-step explanation:

A = 40

B = 25

C = 60

D = 35

All these are their Unit values.

first one is a: renaming a fraction. second one is c: de-c

step-by-step explanation:

my explanation is that these were the answers on edg : )

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

step-by-step explanation: