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Mathematics, 14.06.2021 18:30 nmknightp02

128 contacts on day 1. On day 2, each recipient sends the e-mail to 3 different people. On day 3, each of the new recipients sends the e- mail to 3 different people. If the process continues, how many e- mails will be sent on day 7? ​

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128 contacts on day 1. On day 2, each recipient sends the e-mail to 3 different people. On day 3, ea...
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