Given =
n=6,
r=1/4
a=2
Sn = a+ar+ar²+ar³+ar⁴+ar⁵= 2+0.5+0.125+0.03125+0.0078125+0.00195~ 2.67
Answer:
1190
Step-by-step explanation:
A) 45%, (100-200)/200=0.45 which also equals 45% :)
Answer:
Estelle paid $104 in total.
Step-by-step explanation:
15% of $80.00 is 12. So add 12 two times to 80 because of 15% sales tax and 15% tip.
Answer:

Step-by-step explanation:
Given

Required
The equivalent expression
We have:

Expand

Further expand

Apply laws of indices
