♥ Which sets of numbers are closed under addition?
♥ Choose all answers that are correct.
A.
whole numbers
B.
natural numbers
C.
negative integers
D.
<span>integers
♥are all closed under addition.
♥Therefore ALL are right. </span>
The decimal form of this is .30
Answer:
a. 2.5 min
b. 0.4 laps a min
c. 100 min or 1 hour and 40 min
Step-by-step explanation:
You got a 72%! sorry! It's still a C!
I belive it is c if i am correct im not really sure