Answer:
calculate the number of atom in 3 mol helium
-349.3 i think u didnt show the answers we choose from /my answer probably wrong i was assuming.
9514 1404 393
Answer:
A
Step-by-step explanation:
Collecting terms of the expression, we have ...
x + 0.1x = x(1 +0.1) = 1.1x
In words, adding 10% is the same as multiplying the value by 1.1. Choice A is appropriate.
C I think so sorry if I’m wrong
This sequence seems to apply -9, +13, +6 repeatedly.
So after the 34, the -9 has to be applied. The next number would be 25.