Step-by-step explanation:
a1 = 27
r = -9/27 = -⅓
the formula :
an = a1. r^(n-1)
= 27. (-⅓)^(n-1)
= 3³(-3`¹)^(n-1)
= 3³(-3)^(1-n)
Answer:
vertical maybe if try it and see
12g
I don't have a lot of contexts here but based on what saw the answer should be 12g
1/20
(1/4) / 5
When dividing a fraction by a whole number
multiply the divisor by the number
4 * 5 = 20
(1/4) / 5 = 1/20
Answer: 57/54
Look at the attachment
