The correct answer is:
156
Question 8
The addition of a=(2112)3 and b=(12021)3 is ...
Complete
a. (2121)3
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b. (21210)3
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с. (1212)3
Od. (210)3
The correct answer is:
(21210)3
Question 9
Complete
How many primes not exceeding 2000?
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a. 263
b. 221
c. 341
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d. 423
