joe and fred work at a DVD store. at the end if one evening, they had put 324 DVDs back on the shelves. one-third if the DVDs were rated R, 1/9 of them were rated PG-13, 1/2 of them were rated PG, and the rest were rated G. how many G-rated DVDs dis joe and fred put on the shelves​

b. an equilateral triangle inscribed in a circle

step-by-step explanation:

we are given the figure of two circles having a triangle inside.

now, we know that,

"when a figure is lying inside an another figure, then the outside figure is known as circumscribed figure and the figure lying inside is referred to as the inscribed figure".

as we see that, the circles are containing the triangle completely.

thus, the circles are the circumscribed figures and the triangle is the inscribed figure.

hence, we get, 'an equilateral triangle is inscribed in a circle'.

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents