Answer:
Step-by-step explanation:
Hello!
Let's use a couple of exponent rules:
Let's utilize the first rule and simplify the fraction.
<h3>Simplify</h3>
Now, we can utilize the second exponent rule, as we have a base to the power of a negative number.
<h3>Simplify</h3>
The answer is option 1, .
It is indeed 70, you divid 63 by 90 and your answer should be .07 so if you add that to your starting 63 you get 70
Answer:
$43.64
Step-by-step explanation:
If the tax rate = 3.9% and the product u are buying is priced at $42
Then, the amount you will pay for the object will be,
$42 + 3.9/100 * 42
=> 42 + 0.039 * 42
=> 42 + 1.638
=> 43.638
43.638 when rounded to the nearest hundredth is,
43.64
Hope it helps :)