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Amy was playing with blocks and started with one blue square block and kept adding more blocks to create the following pattern sequence:


How many blocks would she need on the 10th step of the pattern?

Group of answer choices

21

33

37

262,144

Amy was playing with blocks and started with one blue square block and kept adding more blocks to create the following pattern sequence How many blocks would sh class=

Respuesta :

Answer:

21

Step-by-step explanation:

The sequence starts from 1 blue block, then she added 4 blocks continuously four times;

1 + 4 * 4 blocks = 17 blocks.

then she added 4 blocks a fifth time;

( 17 + 4) blocks = 21 blocks

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