Jill and Sonja lived in different towns and decided it would be fun to get a homing pigeon to send messages to each other. (A ho
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Since log(ab) = log(a) + log(b) and log(a/b) = log(a) - log(b) for any logarithm base, we have
Then using the change-of-base identity, we have
But we also know that 2¹⁰ = 1024 and 2⁵ = 32, so we can back up slightly and instead write
Then the logarithms cancel and you're left with 5/10 = 1/2.
Answer:
3
Step-by-step explanation:
To determine the scale factor
Consider the ratio of corresponding sides, image to original, that is
scale factor = =
= 3