what is the next number in this pattern? 3,15,6,30,21?

fourth grade math
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3 Answers

yer hole pattern is null, so next term must be null
by
srry cant hlp...question is either wrong or typed wrong way
by Level 1 User (780 points)
The sequence seems to be to multiply by 5 to get next number, then subtract 9 to get next and repeat this sequence. So the next number is to multiply the last number by 5 giving 105.
by Top Rated User (1.2m points)

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