A signal has an initial amplitude of 100 units. After each stage, its amplitude becomes half of the previous value. What is its amplitude after the 5th reduction?
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Question

A signal has an initial amplitude of 100 units. After each stage, its amplitude becomes half of the previous value. What is its amplitude after the 5th reduction?

G1 Physics · Accepted Answer

After five reductions: 100(1/2)⁵=100/32=3.125 units.