Kirsten tried to evaluate the expression {12 x 2 - 8} x 2. Her work is below.
{12 x 2 - 8} x 2
Step 1: = {12 x 2} - 16
Step 2: = 24 – 16
Step 3: = 8
In which step did Kirsten first make a mistake?
Choose 1
Step 1
B
Step 2
Step 3
Kirsten did not make a mistake

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels

The john nash mall used 17,4000 kilowatt hours in may, with a peak load of 92 kilowatts. the demand charge is $5.95 per kilowatt, and the energy charge is $0.08 per kilowatt hour. the fuel adjustment charge is $0.017 per kilowatt hour. what is the total electricity cost for may?

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