Answer:
I have the answer
Step-by-step explanation:
Answer:
Final cost = $2388.75
Step-by-step explanation:
Cost of stereo system = $2500
Sale = 9%
Cost of sale = 9% of 2500
Cost of sale = 
Cost of sale = $225
Price after sale = 2500 - 225 = $2275
Sales tax = 5% of 2275
Sales tax = 0.05 * 2275 = $ 113.75
Final cost = 2275 + 113.75 = $2388.75
Answer:
1/4 x 3 or 1/4+1/4+1/4
Step-by-step explanation:
1/4 + 1/4 + 1/4
2/4+1/4
3/4
Answer:
22,36,50,64,78,92
Step-by-step explanation:
The common difference is when you take one term and subtract the previous term from it.
For example, 36-22=14
Hope that helps!
Answer:
8.1 * 10^-2
Step-by-step explanation:
Scientific notation is a number with it's largest digit in the one's place and its succeeding digits following it as decimals, then multiplied by a power of ten.
Appling this knowledge to the given number, we can conclude:
0.0810
= 0.081
= 8.1 * (1/10) * (1/10)
= 8.1 * 10^-1 * 10^-1
=9.1 * 10^-2