Answer:
I would help you
Step-by-step explanation:
But I'm really lazy and I really don't like math. I'm not good at it and I think I failed it last semester. true story bro.
Answer:

Step-by-step explanation:
If you have the same denominator, you can just subtract the numerators normally and carry over the denominator.
Answer:
COVETTER COGERRR
Step-by-step explanation:
HWUQUQIIQIWISIA
YE ESYE YES VECUAAD ALL OF THEM RMUNERS ARE QUELIATU
Answer: D is correctly written in scientific notation.
Step-by-step explanation:
The base has to be between 1 and 10.
A has a base of 16.4 which is greater than 9.
B is not even in scientific because the base it being raise to an exponent
C has 0.71 as base which is less that.
Answer:
2 : 3
Step-by-step explanation:
You need to show the ratio using the smallest whole numbers possible.
Multiply both numbers by 3.
2/3 : 1
2/3 × 3 : 1 × 3
2 : 3