Answer:
I think its a) I only
Step-by-step explanation:
b gives a random value that isn't relevant to the question. C is backwards because F would increase more than C.
Answer:
2x4 - 5x1x3 {bracket means times] =8-15=-7
Step-by-step explanation:
2f=2xf=2x4=8
-
g=5x1x3=15
=8-15
=-7
Answer:
7
Step-by-step explanation:

Rounding to nearest thousand gives 76,000 mg of chlorine
2,300,000 + 510,000 = 2,810,000 them move a decimal to where is greater then 1
2.81 x 10^6 but wait, there isnt an answer for this so it has to be 28.1 x 10^5 witch is B