He ripped a piece of paper into three parts, and tore each of those parts into three more parts. if he repeated this action 12 times, how many pieces of paper would he have?

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3^12

i think that the answer is 3^12=531441

2*2

i think it is 3*12

i need help with dividing negative numbers. for example :what is -2/-4.

Can someone please tell me the step-by-step answer to a+6a-9=30

a + 6a = 7a

7a - 9 = 30
add 9 on both sides
7a=30-9
7a=21
isolate the a by dividing by 7
a=3

When the expression 3 to the 444 power + 4 to the 333 power is written as an integer, what is the unit digit?

To find out how many pieces of paper he would have after repeating the action 12 times, we need to determine the pattern in the number of pieces after each repetition.

When he ripped the first piece into three parts, he would have 1 + 3 = 4 pieces of paper.

After the second repetition, each of the four pieces would be torn into three more parts, resulting in a total of 4 x 3 = 12 pieces of paper.

After the third repetition, each of the 12 pieces would be torn into three more parts, resulting in a total of 12 x 3 = 36 pieces of paper.

We can observe that after each repetition, the number of pieces of paper is multiplied by 3. Therefore, we can determine the pattern as follows:

- First repetition: 4 pieces
- Second repetition: 4 x 3 = 12 pieces
- Third repetition: 12 x 3 = 36 pieces
- Fourth repetition: 36 x 3 = 108 pieces
- Fifth repetition: 108 x 3 = 324 pieces
- Sixth repetition: 324 x 3 = 972 pieces
- Seventh repetition: 972 x 3 = 2,916 pieces
- Eighth repetition: 2,916 x 3 = 8,748 pieces
- Ninth repetition: 8,748 x 3 = 26,244 pieces
- Tenth repetition: 26,244 x 3 = 78,732 pieces
- Eleventh repetition: 78,732 x 3 = 236,196 pieces
- Twelfth repetition: 236,196 x 3 = 708,588 pieces

Therefore, after 12 repetitions, he would have a total of 708,588 pieces of paper.