Questions by Yannisf

Questions by Yannisf

In a certain city, electricity costs $0.13 per kW·h. What is the annual cost for electricity to power a lamp-post for 7.50 hours per day with (a) a 100.-watt incandescent light bulb (b) an energy efficient

asked Apr 8, 2017

2 answers

4 votes

35.9k views

What is 225120000 in scientific notation?

asked Apr 1, 2017

2 answers

3 votes

163k views

Describe how surface currents would be affected if Earth did not rotate

asked Jan 22, 2017

1 answer

4 votes

171k views

Simplify the expression: 10+-2f^2+-6+7+-2f^2+-9f

asked Sep 24, 2016

1 answer

4 votes

153k views

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