Question

2,12,28,48,68,? next number
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Answer 1

Answer:

2+10=12

12+10=28

28+20=48

48+20=68

68+30=98

Step-by-step explanation:

first, add 10 two times , then add 20 two times and then add 30 accordingly.

Answer 2

Answer:

Step-by-step explanation:

(2^2) - (2^1) = 2

(4^2) - (2^2) = 12

(6^2) - (2^3) = 28

(8^2) - (2^4) = 48

(10^2) - (2^5) = 68

(12^2) - (2^6) = 80 = next number