What's More A FIRST LOOK Activity No. 1 Directions: Find the product of the following. Write your answer in your notebook. 1 2.5 x 1.3 6. 2.01 x 0.26 2. 0.1 x 0.4 7. 0.08 x 1.56 1.3 x 0.12 8 3. 6.12 x 0.5 4. 0.67 x 1.2 9. 1.23 x. 0.15 5. 10. 1.17 x 0.3 0.16 x 0.04
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Answer:
ARITHMETIC MEAN
What is the arithmetic mean of the sequence whose first and third -8 and 20 respectively?
Answer:
A. 6
Step-by-step explanation:
First, identify the 1st and the 3rd term.
Given:
a1 = -8
a3 = 20
Then, solve using the formula \bold{a_{2} = \frac{a_{1} + a_{3}}{2}}a
2
=
2
a
1
+a
3
\begin{gathered}a_{2} = \frac{ - 8 + 20}{2} \\ a_{2} = \frac{12}{2} \\ a_{2} = 6\end{gathered}
a
2
=
2
−8+20
a
2
=
2
12
a
2
=6
Hence, 6 is the arithmetic mean of the sequence.