Answer:
Step-by-step explanation:
<h3>Given GP with:</h3>
<h3>To find</h3>
<h3>Solution</h3>
<u>Formula of sum:</u>
<u>Substitute values:</u>
- S7 = 10((-2)^7 - 1)/(-2 - 1) = 10(- 128 - 1)/(-3) = 10*129/3 = 430
Answer:
C
Step-by-step explanation:
The elevati0on of sea level is 0 km and the elevation of the summit is 10 km
Answer:
D.
Step-by-step explanation:

Answer:
5,8, 3.5,7
Step-by-step explanation: