tierra7e tierra7e
  • 13-03-2019
  • Mathematics
contestada

need help with this math​

need help with this math class=

Respuesta :

EdwardYang EdwardYang
  • 19-03-2019

This is an arithmetic sequence, as there is a common difference of 21 between terms.

By using the formula, the 18th term of the sequence is

= 1st term + (18 - 1)(21)

= 15 + 17 * 21

= 372

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