Answer: 4
Step-by-step explanation: if 2 times y(2) is 4 what plus 4 equals 12...8 right? but you have to take 2 and multiply it by 4 in order to get 8. So the answer is 4. Hope this helps! :)
Answer:
Distance from Earth to Proxima Centauri (in scientific notation) =
kilometers
Step-by-step explanation:
We need the conversion between Astronomical Unit and Kilometers.
The conversion is:
1 AU = 1.496*10^8 km
or rounded, given in this problem,
1 AU =
km
We need the distance from Earth to Proxima Centauri:
AU *
kilometers
When multiplying two numbers in scientific notation, we have to "multiply the coefficients" and "add the exponents".
Lets do this:

Distance from Earth to Proxima Centauri (in scientific notation) =
kilometers
Answer:
A car weighs ABOUT 1 ton.
Answer:
a. 2 b. 12 c. 36 d. 19
James makes $1,250.
a. (2+8)+9 b. (3+7)+5+4 c. (4+16)+2 d. (31+9)+4
Step-by-step explanation:
You basically follow PEMDAS for the first section. You would do the subtraction inside the parenthesis first and then you will subtract left to right as you go.
You will add up all of the things he has on his budget to find out how much he earns.
I believe that is correct but I am not sure.
Hope it helps! (: