Answer:
(a) 36.36%
(b) 0.36%
(c) 0.06%
Step-by-step explanation:
Given that the time intervals measured with a stopwatch have an uncertainty of about 0.2 s.
We want to know what is the percent uncertainty of a hand-timed measurement of:
(a) 5.5 s
Percentage = (0.2/5.5) × 100
≈ 36.36%
(b) 55 s
Percentage = (0.2/55)×100
≈ 0.36%
(c) 5.5 min
5.5 min = 5.5 × 60 s
= 330 s
Percentage = (0.2/330)×100
≈ 0.06%
Answer:
8n+12=36, triplets are 8 years old
Step-by-step explanation:
total age is 36
one of them is 12 years old so -> 36-12 = 24
three triplets so 24/3 = 8
there are three 8 years olds and one 12 year old. n = 3
Answer:
False
Step-by-step explanation:
3 and 3 add up
6,2,12 and 4 add up
But 9 and 7 don’t it should be like 9 and 18
Answer:
32
Step-by-step explanation:
If she started with 28, ad had 50 after she picked, you wold subtract 28 from 50 to find your answer.
This one is easy, Chifa!:) I know this is the right anwser. Plz give me a five-star rating.
