Math

posted by .

Simplify:
a) 8^2 = 64 ... correct?
b) 8^-2 = 1/8^2 ... correct?
c) (1/8)^2 = 1/64??
d) (1/8)^-2 = 1/64??
e) -8^2 = 64??
f) (-8)^2 64??

Please let me know if these are correct.
Thank you!

  • Math -

    yes they are all correct, i tried them on my calculator.

  • Math -

    Thank you!!

  • Math -

    d) is not correct
    (1/8)^-2
    = (8/1)^+2
    = 64

    be careful with e) and f)

    e) -8^2 = -64
    it means -(8)(8)

    f) (-8)^2 = +64
    it means (-8)(-8)

  • Math -

    i guess i made the same mistake she did?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math,correction from previous post

    can someone please correct this for me thanks. simplify: 7sqrt(7x) + 5 sqrt (7x) My work: (7+5)sqrt (7x) My answer: 12sqrt (7x) is this correct?
  2. Algebra

    1.Solve (x)/(x+10)+(x-3)/(x+2)=7/5..I got that there is no solution, is that correct?
  3. math

    I asked this question before and I was told my work was correct by my friend insists she is correct HELP I did translate and simplify"six less than twice the sum of a number and three" choices are A)-2x b)2x c)-2x+9 d)2x-3 I set it …
  4. algebra

    1)Simplify:(6x^3-16x^2+11x-5)/(3x-2) answer= 2x^2-4x+1-3over3x-2 2)Factor 27x^3-1 completley. answer= (3x-1)^3 if this isnt correct,im not sure how to solve it b/c this makes the most sense to me. 3)Simplify: x^2-3x-28 over x^2-9x+14,assume …
  5. Math

    2x(5*2-3) > x(3-5)-2(x-1) the answer I have got is x > 2/18. Can someone please tell me if this is the correct answer?
  6. Ms.Sue?Sorry To Bother You,I Got SOme New Answers!

    120 g = 0.12 kg [DONE] 0.44 kg = 440 g [ is it correct?
  7. math

    By default, your numerical entry is scored as correct if it is within 1% of the correct answer. A rule of thumb is always to enter at least 3 digits for numerical questions. If the correct answer is 7.08809, which of the following …
  8. Algebra-please check

    Please check these: 1.When the fraction 2/3 is used as exponent, wht role does the denominator 3 play in evaluating expression?
  9. Algebra II-Please check fpr explanation

    I have a question concerning this problem:I just want to make sure my formulas are correct before I do problem It is a hyperbola equation (y-4)^2/49 - (x-6)^2/72 = 1 1.It is a vertical hyperbola, correct?
  10. Algebra 1--Please, check my answers!

    Multiply. Simplify your answer. 1. (n + 3/n- 5) x (n^2 - 5n) A: n^2 + 3n 2. (6xy^2/2x^2y^6) x (6x^4y^4/9x^3) A: 2 3. (3h^3 - 6h/10g^2) x (4g/g^2 - 2g) (This is the correct expression. There is no typo.) A: ?

More Similar Questions