Asked by makenna.r.vanderpool
Fatima evaluated the expression StartFraction 4 m Superscript negative 3 Baseline n Superscript negative 2 Baseline Over m Superscript negative 1 Baseline n EndFraction, when m = negative 2 and n = 4. Her work is shown below.
StartFraction 4 m Superscript negative 3 Baseline n Superscript negative 2 Baseline Over m Superscript negative 1 Baseline n EndFraction = 4 m Superscript negative 2 Baseline n Superscript negative 3 Baseline = 4 (negative 2) Superscript negative 2 Baseline (4) Superscript negative 3 Baseline = StartFraction 1 Over 64 EndFraction times StartFraction 1 Over 64 EndFraction = StartFraction 1 Over 4,096 EndFraction
What was Fatima’s error?
She subtracted the exponents incorrectly when simplifying the expression.
She substituted the wrong values for the variables.
She applied the exponent Negative 2 to 4 (negative 2) instead of applying the exponent to just Negative 2.
She found an incorrect value for (Negative 8) Superscript negative 2 since the value should be negative.
StartFraction 4 m Superscript negative 3 Baseline n Superscript negative 2 Baseline Over m Superscript negative 1 Baseline n EndFraction = 4 m Superscript negative 2 Baseline n Superscript negative 3 Baseline = 4 (negative 2) Superscript negative 2 Baseline (4) Superscript negative 3 Baseline = StartFraction 1 Over 64 EndFraction times StartFraction 1 Over 64 EndFraction = StartFraction 1 Over 4,096 EndFraction
What was Fatima’s error?
She subtracted the exponents incorrectly when simplifying the expression.
She substituted the wrong values for the variables.
She applied the exponent Negative 2 to 4 (negative 2) instead of applying the exponent to just Negative 2.
She found an incorrect value for (Negative 8) Superscript negative 2 since the value should be negative.
Answers
Answered by
makenna.r.vanderpool
URGENT!
Answered by
makenna.r.vanderpool
And how does this even work is it like actual ppl or is it like weegy where its technological or whatever the terminoligy is
Answered by
makenna.r.vanderpool
Someone its a TIMEDDDDD quiz on edge
Answered by
PsyDAG
I'm not sure, but by "4 m Superscript negative 3", do you mean 4m^-3, or 4 times m to the -3 power? Online, we use "^" instead of superscript. Reading your description is like wading through waist-high mud. Right now, I don't have the patience to deal with it. Maybe if you revise it. Sorry.
Answered by
oobleck
pop on over to wolframalpha.com and try typing in your expression, using ^ for powers.
Use parentheses to disambiguate things until wolfram interprets your expression the way you intend it.
This will not only give you the answer you seek, but will give you practice typing complicated expressions online.
Use parentheses to disambiguate things until wolfram interprets your expression the way you intend it.
This will not only give you the answer you seek, but will give you practice typing complicated expressions online.
Answered by
makenna.r.vanderpool
@oobleck thanks
Answered by
makenna.r.vanderpool
i don't type them i just copy and paste sounds bad but i suck at writing that stuff
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