Question
Complete the number pattern.
 (a)             , 5130, 5100, 5070, (b)             , 5010
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)             , 5130, 5100, 5070, (b)             , 5010