Question
Complete the number pattern.

(a)          , 2820, 3420, 4020, (b)         , 5220
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Complete the number pattern.

(a)          , 2820, 3420, 4020, (b)         , 5220