1) 1
2) PA: between 2 and 3.
2) PB: Unsure about it.
Answer:
= 
Step-by-step explanation:
The n th term of a geometric sequence is
=

Substitute in values
= 320 × 
= 320 ×
=
=
= 0.625
A I don’t really have an explanation but I remember this
Answer:
Circumference of the pizza is 50.3 ft.
Step-by-step explanation:
Circumference formula: 
<em><u>To find circumference:</u></em>
<em><u /></em>
<em><u /></em>
Then,

After that,

Then, round to the nearest tenth:

Knowing that 1/3 kg of rice is 1/5 of the amount she has, we simply divide 1/3 by 1/5:
1/3 / 1/5
1/3 * 5
5/3 kg
Andrea has 1 and 2/3 kg of rice