Calculating Cost of Operating Lamp

[GlobalDuty]

Homework Statement

Compute the cost per day of operating a lamp that draws a current of 1.90 A from a 110 V line. Assume the cost of energy from the power company is $0.0620 / kWh. NOTE: Enter your response with tenths precision.

The Attempt at a Solution

1.90*110V*.0620*24 = .310992
but this answer is wrong

 

[PhanthomJay]

Homework Statement

Compute the cost per day of operating a lamp that draws a current of 1.90 A from a 110 V line. Assume the cost of energy from the power company is $0.0620 / kWh. NOTE: Enter your response with tenths precision.

The Attempt at a Solution

1.90*110V*.0620*24 = .310992
but this answer is wrong

you did divide by 1000 W/kW, but the problem asks for the answer to the nearest tenth (nearest dime).

 

[GlobalDuty]

yeah i divided by 1000 at the end, but .3 is wrong

 

[PhanthomJay]

yeah i divided by 1000 at the end, but .3 is wrong

Try $0.30