2018
Mathematics
67ca00ce0c643c71d77dee1f
Calculate 243six – 243five expressing your answer in base 10
A.
0
B.
1
C.
26
D.
46
Correct Answer: 26
Explanation
Since they are of different base, convert to base 10 243six = (2 x 62) + (4 x 61) + (3 x 60) = 72 + 24 + 3 = 99 base 10 243six = 2 x 52 + 4 x 51 +3 x 50 50 + 20 + 3 = 73 base 10 Subtracting them, 99 - 73 = 26
Since they are of different base, convert to base 10 243six = (2 x 62) + (4 x 61) + (3 x 60) = 72 + 24 + 3 = 99 base 10 243six = 2 x 52 + 4 x 51 +3 x 50 50 + 20 + 3 = 73 base 10 Subtracting them, 99 - 73 = 26THIS WEEK's
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