Simplify 4 to the 7th power over 5 to the second power A.4 to the tenth power over 5 to the fith power
b.4 to the fourth power over 5
c.4 to the twenty first power over 5 to the 6th power
d.12 to the 7th power over 15 to the 2nd power

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?