Answer:
I used this converter, very helpful
Step-by-step explanation:
An= A1 r ^(n-1)
An= -4 (-3)^(n-1)
An= -4 (-3)^(7-1)
An= -4 (729)
An= -2916
I think this is right :)
Answer:
22 33/40
Step-by-step explanation:
Answer:
x = 9
Step-by-step explanation:
Using the rule of exponents
×
⇔ 
Given
=
×
=
= 
Since the bases on both sides are common, then equate the exponents
x = 9
Answer:
x+7>
Step-by-step explanation: