Please may I get help please
whish way should I use ​

option B is correct answer please

hope it helps u

B.

Step-by-step explanation:

Data: Estimate of 7.21x3.86/10.09=x

Only step, Find the estimate for each number(7.21=7, 3.86=4, 10.09=10)

Explanation: How estimation work is that it numbers below 5 stays the same and numbers 5 and above round up so a number like 7.21 which has 2 and 1 as it's rounding numbers will stay the same however a number like 3.86 which has 8 and 6 as it's rounding numbers will round up

That's how we arrive at the answer of B.

I hope this helps(Mark brainliest if you'd like)