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.
This shows that Billy will have $12, 168.25 after 12 years
<h3>Compound interest</h3>
The formula for calculating the compound interest is expressed as:
From the information given, the amount is expressed as;
This shows that Billy will have $12, 168.25 after 12 years
Learn more on compound interest here: brainly.com/question/24924853
Step-by-step explanation:
a) 4x + 8 - 2x + 7
= 2x +15
b) 2n × 5 × 2a
= 10n × 2a
= 20an
Answer:
The equivalent percentage point drop = 10%
Step-by-step explanation:
The percentage point change is the difference between the final and initial values.
The percentage change is the difference between the final and initial values
divided by the initial value
It is required to decrease the dropout rate from 30% to 20%
The point change = 20 - 30 = -10 (-ve change ⇒ decrease)
The percentage change = %
So, the equivalent percentage point drop = <u>10%</u>
And the percentage change = <u>33.33%</u>
Answer:
1254 Dont use this answer sorry
Step-by-step explanation: