Answer:
2 x 40 is = 80
Step-by-step explanation:
i hope that helps
Answer:
D. a1=23/100, r=1/100
Step-by-step explanation:
The repeating fraction can be written as the sum ...

The first term is a1 = 0.23 = 23/100, and each successive term is shifted 2 decimal places to the right, so is multiplied by the common ratio r=1/100.
Answer:
0.5 :)
Step-by-step explanation:
Since 13 can only be divided evenly by 1 and 13 (itself), it is called a prime number.