Answer:
The first term is 28.
Step-by-step explanation:
Given: 8th term of Geometric sequence , 
and 3rd term of Geometric Sequence, 
We have to find First term of given geometric Sequence.
Let a be the first term of geometric sequence.
We know that,

So,




So, 3rd term = 112
a × (-2)² = 112
a = 112 / 4
a = 28
Therefore, The first term is 28.
Answer:
One: Median = 2
Two: Mean = 3.25
Step-by-step explanation:
One
Put the dots in order
1 1 1 2 2 3 3
There are seven groups altogether.
The middle one is a 2.
The median is 2.
Two
The mean is the average.
The average of the 4 groups is
1 3 6 3 = 13
The average is the sum of the dots.
13/4 = 3.25
Answer:
The answer is B
Step-by-step explanation:
I just did the Quick Check, the attachment is the answer, np.
Answer:
ANSWER
Step-by-step explanation:
Answer:
6.453 × 10 × -10 × -10 × -10
Step-by-step explanation:
6.453 × 10–^3
6.453 × 10 × -10 × -10 × -10
Is that a negative? The one after the 10? If not then just take away the negatives from the 10's.
Hope this helped!
Have a supercalifragilisticexpialidocious day!