Answer:
Way 1. Email, Way 2. Publish on Internet
Explanation:
The empty input occurs when the user presses the enter key without typing a value for an input operation.
Answer:
$2.40
Explanation:
the unit electricity bill is kilo watt hour.
The 60-watt light bulb has a 400 hour life expectency means it will consume
60×400/1000 = 24 KWh units of electricity. Let us suppose each unit of electricity costs is 10 cents.
Then 24×10 = 240 cents = $2.40
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