What is the square root of this

The answer to this question is 0.9

We know that

sequre of 9 is equal to 81  as

Then sequre of 0.9 will be

So,

b =

b =

Exponent and square root cancel out each other

So, the answer is 0.9.

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

step-by-step explanation:

i found the koficent of the linear function and i foun c acordind to the strict formula y=kx+c and then i took 2 as an x and replacet it on the formula i found and then foun the y