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Answer» Answer:(6) given that, speed of sound=3.3×10⁴cm per second =3.3×10²m per second =330m/s (7)distance FOM earth to moon=384400000m =3.844×10⁸m note that, in scientific form of NOTATION exponants are given only to 10 and it's variable is only VARIES from 0.5 to 5 hope it helps to you☺️ |
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