Use dimensional analysis:

Since we multiplied a numerator and a denominator by centimeters, we are only left with meters.
This answer is already is three significant figures by default.
Answer:
1
Step-by-step explanation:
10³/10³
10³-³
10⁰=1
Formula a¹÷a¹=a¹-¹=a⁰. (Exponents and Powers)
And
a⁰=1
hope it helps..
Answer:
x^2 - 4x - 3 + 28/x+4
Step-by-step explanation:
Answer:
140%
Step-by-step explanation:
28-10 = 14 person enrolled
14/10 = 140%