Question

Problem 2. Using modular arithmetic, find: a. the last digit of 98709090877^{20208} b. the last two digits of 99999987899999^{20204} c. the last two digits of 5678999919199^{20201} d. the last digit of 910908767073^{2030}

          Problem 2. Using modular arithmetic, find:
a. the last digit of 98709090877^{20208}
b. the last two digits of 99999987899999^{20204}
c. the last two digits of 5678999919199^{20201}
d. the last digit of 910908767073^{2030}

Added by Alberto A.

Calculus: Early Transcendentals

James Stewart 8th Edition

Instant Answer

Solved by Expert Kathleen Carty

Step 1

The last digit of 987090908772206: We only need to look at the last digit of the number, which is 6. Show more…

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Using modular arithmetic, find: a. the last digit of 98709090877^{20208} b. the last two digits of 99999987899999^{20204} c. the last two digits of 5678999919199^{20201} d. the last digit of 910908767073^{2030}