What is the sum of numbers from 1 to 100 whose square roots are also square numbers?
(1) 14
(2) 85
(3) 86
(4) 98
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In physics, a vapor or vapour is a substance in the gas phase at a temperature lower than its critical temperature, which means that the vapor can be condensed to a liquid by increasing the pressure on it without reducing the temperature. A vapor is different from an aerosol.
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The biggest perfect square smaller than 100 is 81 so we have:
02+102=0+100=100 both perfect squares.
12+99−−√2=100 99 is not a perfect so no.
22+96−−√2=100 96 is not a perfect so no.
32+91−−√2=100 91 is not a perfect so no.
42+84−−√2=100 84 is not a perfect so no.
52+75−−√2=100 75 is not a perfect so no.
62+82=36+64=100 both perfect squares.
72+51−−√2=100 51 is not a perfect so no.
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