Answer:
7
Step-by-step explanation:
Use the formula for the sum of a geometric sequence:
Sum = (a(r^n - 1))/(r - 1)
where a is the first term, -3
r is the common ratio, -2
and n is the number of terms
Thus,
Sum = ((-3)((-2)^10 - 1))/(-2-1) = 1023
60/1 = 180/x
Cross Multiply
180 = 60x
x = 3
It took him 3 minutes to fall 180 feet.
⭐ Please consider brainliest! ⭐
✉️ If any further questions, inbox me! ✉️
Answer:
4) choice a 30%
5) choice b 62.5%
Step-by-step explanation:
4) 3/10 = 0.30 or 30%
5) 5/8 = 0.625 or 62.5%