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aren't .7 and .70 the same?

apparently my teacher begs to differ on that. she says .70 is set in the hundreths place. thats dumb. the calculator corrects .70 as the tenths place.
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amoonlitbarn · 31-35, M
Well, to be really technical. 70 is more accurate than. 7 (relatively speaking)

Cuz you could have derived. 7 from any of. 71,. 72,. 73 or. 74

But mathematically and not relatively, they both are the same.