Asked by jeana

Write each of the following in the indicated base.

(a) 1021three to base ten.

(b) 534 to base twelve

(c) MCMLXII to base ten

Answers

Answered by Reiny
a) 1021<sub>3</sub> = 1(3^3) + 0(3^2) +2(3) + 1
= 27+6+1
= 34

b) powers of 12 are 12, 144 , 1728 ,....
so 534 = 3(144) + 8(12) + 6
= 386<sub>12</sub>

c) MCMLXII = 1000 + 900 + 50 + 12 = 1962
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