Edward started his hike at an elevation of 115 feet below sea level. Throughout the hike he ascended 3,200 feet and then descended 676 feet. How much did his elevation change?
115+676=791
3200-791= 2409
his elevation changed by 2409 ft
Answer:
Step-by-step explanation:
Given : Edward started his hike at an elevation of 115 feet below sea level. Throughout the hike he ascended 3,200 feet and then descended 676 feet.
To find : How much did his elevation change
6²
Use the rule of exponents ...
(a·b)^c = a^c·b^c
Your expression has a=3, b=2, c=2.
3²·2² = (3·2)² = 6²
_____
If you want to get more sophisticated than that, logarithms can get involved.
x=2.5
(1) 4 (2) -2
answer:
10 2000
1x200=
200
hope that helps