Rewrite using a negative exponent
1/(xy)^1

1/a^4

1/8^6

5/x^2

the answer is "add 2y and y"

step-by-step explanation:

you need to collect the like terms first.

the circumference of a circle is, 10.676 cm.

step-by-step explanation:

the formula for circumference of a circle is given by:

where

c is the circumference of a circle and

d is the diameter of a circle.

given: diameter(d) = 3.4 cm and use

substitute these values in [1] we get;

cm

therefore, the circumference of a circle is, 10.676 cm