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Ksenya-84 [330]

3 years ago

12

When a number is written in scientific notation, could zero ever be in the ones place of the first factor? Which digits, if any,

would never be in the ones place?

1 answer:

makkiz [27]3 years ago

3 0

No there couldn't and there is none

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$f(x)=3x^2-2x+5\\\\
f(1):\ \ Substitude\ 1 \ as\ x\ into\ function:\\
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f(-2)\ \ Substitude\ x=-2\\
f(-2)=3*(-2)^2-2*(-2)+5=3*4+4+5=12+4+5=\textbf{21}\\\\
f(a)\ \ substitude\ x=a\\
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