Question

PLZ HELP

1.Which answer describes the pattern in this sequence? 2, 1, 1/2, 1/4, ...
subtract 1
multiply by 2
multiply by 1/2
add 1/2

2.A triangular shaped stack of tin cans has 8 cans in the first row and 8 rows in all. In each successive row one can is removed.

What is the explicit rule for this situation, and how many cans will be in the 5th row?

Drag and drop the answers into the boxes to match the situation.
Explicit rule
Number of cans in the 5th row
an=9−n
an=8−n
an=8−8n
an=9−9n
3
4
5

3.Jeannie's restaurant served 58 customers on Monday. After the first day the amount of customers served decreases at a rate of 2.5% each day.

What is the explicit rule for this situation and approximately how many customers will be served on the 6th day?

Round to the nearest customer.

Drag and drop the answers into the boxes to match the situation.
Explicit rule
Number of customers on the 6th day.
an=58⋅(0.975)n−1
an=58⋅(0.025)n−1
an=58⋅(1.025)n−1
51
49
48
46

Answer 1

I believe these are the answers

1.)
The rule is multiply by 1/2
——————————————
2.)
3
——————————————
3.)
58.(0.025)n-1
2.5->3.0
58->60
46
Hope this helped:)

Answer 2

The first 1 is multiply by 1/2