Fern's estimate is not correct because he rounded 548 wrong, it would be rounded to 550 instead since the number 8 is closer to 10. So the correct answer would be 420.
Answer:
1/6
Step-by-step explanation:
first of all find the LCD of 3 and 2. The LCD would be 6.
2/3(2/2) - 1/2(3/3)
4/6 and 3/6
then you will subtract 4 and 3 and you end up with 1/6
Answer:
x = 2
Step-by-step explanation:
(16 =
and 8 =
)

Since the base number is 2, the exponents must equal each other.
So:
12x = 3x+18
9x = 18
x = 2
How did you put multiple pictures on this app? i can’t figure how to
It would be 8. To solve, look at it like this: 8-b=(-2). I would then look at a number line or create one if your not to sure of yourself. 8-8=0, and then 0-2=-2. 2+8=10 (the numbers you subtracted). So the answer is 10.