Answer:
266.
Step-by-step explanation:
You want to take 285, and add 127 to that. You get 412. Subtract 146, and you get 266.
Answer:
8km
Step-by-step explanation:
there are 4 unit between Gabe's house and the library so distance is 4×2=8km
Answer:
-221 base 3
Step-by-step explanation:
We are to calculate the value of the numbers in base 3. One of the ways to do that is to first convert each number to base 10. Do the arithmetic, then convert back to base 3.
121 base 3 +2122 base 3 - 1200 base 3 - 2111 base 3
Let's convert to base10
See attachment for details
From the workings,
121 base 3 + 2122 base 3 - 1200 base 3 - 2111 base 3 = -221 base 3
2/9 then 1/4 and then 4/12