3 years ago

What is the base 2 representation of 129?

Mathematics

2 answers:

Diano4ka-milaya [45]3 years ago

8 0

Answer:

either 81 or 81.8

Step-by-step explanation:

NISA [10]3 years ago

3 0

Assuming 129 is given in base 10, notice that

129 = 128 + 1 = 2⁷ + 1

More clearly, we have

129 = 1•2⁷ + 0•2⁶ + 0•2⁵ + 0•2⁴ + 0•2³ + 0•2² + 0•2¹ + 1•2⁰

so that

129 = 1000 0001₂

(I put a space between each block of 4 bits for ease of reading)

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