I really need help with question 8, i’m a bit stuck. thank you!

This value is a mixed number

whole part = 1

fractional part = 2/5

Explanation:

Let's convert the mixed numbers to decimal form.

Let's add up those decimal values

2.5 + 3.2 + 3.4 = 9.1

Then we'll subtract this from 10.5 to figure out how much we have left

10.5 - 9.1 = 1.4

Lastly, let's convert that result to a mixed number

1.4 = 1 + 0.4 = 1 + 4/10 = 1 + 2/5 = 1 & 2/5

So we'll have 1 whole meter, plus another additional 2/5 of a meter, of material leftover.

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

ya