13. The sum of the measures of angle Mand angle Ris 90°.
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Answer:
Step-by-step explanation:
To evaluate or simplify expressions with exponents, we use exponent rules.
1. An exponent is only a short cut for multiplication. It simplifies how we write the expression.
2. When we multiply terms with the same bases, we add exponents.
3. When we divide terms with the same bases, we subtract exponents.
4. When we have a base to the exponent of 0, it is 1.
5. A negative exponent creates a fraction.
6. When we raise an exponent to an exponent, we multiply exponents.
7. When we have exponents with parenthesis, we apply it to everything in the parenthesis.
We will use these rules to simplify.
The bill will be 18,480 if they are successful.
Step-by-step explanation:
Given,
Current bill of company = 22000
Energy usage to decrease = 16%
Amount of decreased usage = 16% of current bill
Amount of decreased usage =
Amount of decreased usage =
Amount of decreased usage = 3520
Bill after decreased usage = Current bill - Amount of decreased usage
Bill after decreased usage = 22000 - 3520 = 18480
The bill will be 18,480 if they are successful.
Keywords: percentage, subtraction
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