Hey!
We could rewrite the problem as:

Since we have a negative number, we could rewrite the fraction like this.

Let's simplify it...

Our answer would be:

Thanks!
-TetraFish
Answer:1\2=0.5
3\4=0.75
Step-by-step explanation:you can make fractions into decimals which would be closer to number just look up on Google ✌
It will be 870 itself because any number will be rounded of to the nearest 10 if it has a zero at the end
pls give this a brainliest answer while ur at it pls