Answer:
119
Step-by-step explanation:
The nearest whole numbers from those listed are
10
3
106
The estimated sum = 119
The actual sum is 118.668
When you are doing a test, being able to estimate is a very powerful skill. 119 is close enough to the actual answer that you know your actual answer is likely correct.
Answer:
7.5
Step-by-step explanation:
it is feometeic progression
r=0.5
n = [z*s/E]^2
n = [2.5758*14.1/1]^2 = 1320 (rounded up)
Answer:
15
Step-by-step explanation:
12 x
--- = ---- --> 120 = 8x
8 10
120 = 8x
x = 15