Answer:
Here is the ans hope it helps:)
23.1 can be estimated to 23 rounded to 20.
19.24 can be estimated to 19 rounded to 20.
The answer would be 42 which would be rounded to 40.
-x2+4=-x=4-2=2
-x=2
x= -2
8.1 grams
Step-by-step explanation:
Check the picture below.
A
Because the gravity of the earth
