A world class sprinter ran 200 m in 22.75s. What was her average speed? m/s Enter a number.
1 answer:
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Answer:
4092
Step-by-step explanation:
The n th term of a geometric series is
= a
where a is the first term and r the common ratio
4 ← is the n th term
with a = 4 and r = 2
The sum to n terms of an arithmetic series is
=
, thus
=
= 4(1024 - 1) = 4 × 1023 = 4092