algebra

1. Which of the following is equivalent to x5y2/xy2 when x ≠ 0 and y ≠ 0?
A. x6y5
B. x5y
C. x4y
D. x4 *********

2. Which expression is NOT equal to 125?
A. 5(5^3/2/5)^2 ***************
B. (5^3/5^4)^-3
C.5^-2/5^-5
D. 5(5^5/5^3)

3. A fraction reduces to 36. If its denominator is 6x5, what is its numerator?
A. 63x
B. 63x5 **************
C. 6x5
D. 67x5

4. Which is the correct simplification of 5.4 x 10^12/1.2 x 12^3 written in scientific notation?
A. 4.5 × 10^7
B. 4.5 × 10^9 *************
C. 45 × 10^6
D. 6.48 × 10^7 5.


Which of the following statements is not true regarding operations with exponents?
A. To divide powers with the same base, subtract the exponents.
B. To subtract powers with the same base, divide the exponents. ************
C. To multiply powers with the same base, add the exponents.
D. To raise a power to a power, multiply the exponents.

  1. 👍 3
  2. 👎 0
  3. 👁 712
  1. check the wording on 3 and 4

    1. 👍 0
    2. 👎 1
  2. all ok, except I can't decipher #3.
    I expect some characters are missing or transposed.

    1. 👍 0
    2. 👎 1
  3. 1.- D
    2.- A
    3.- B
    4.- B
    5.- B

    1. 👍 5
    2. 👎 0
  4. He right

    1. 👍 2
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Science

    3 resistors having the same resistance value are wired in parallel, how does the equivalent resistance compare to the resistance value of a single resistor? 1) The equivalent resistance is thrice the value of a single resistor. 2)

  2. math

    1.Which of the following numbers are equivalent to 20%? CHOOSE ALL THAT APPLY.!! A. 0.002 B. 1/4 C. 0.20(I PICK THIS) D. 1/5(I PICK THIS) 2.which of the following numbers are equivalent to 35%?CHOOSE ALL THAT APPLY !! A. 7/20 B.

  3. Chemistry

    Suppose the elements x and y combine to form two compounds xy2 and x3y2. When 0.1 mole of xy2 weighs 10g and 0.05 mole of x3y2 weighs 9g, the atomic weight of x and y are a) 40,30 b) 60,40 c) 20,30 d) 30,20

  4. Chemistry

    Determine the molar solubility of Y for XY2 if Ksp is 2.2x10^-4. The 2 in Xy2 is a subscript. I found the Ksp equation which is ksp=[x^2+][Y^-]^2 Then I did the ICE table and got x and 2x for the equilibrium concentrations. Then I

  1. Math- calculus

    Suppose f is a function which satisfies the properties: f(x+y)=f(x)+f(y)+x2y+xy2 for all real numbers x and y, and limx→0f(x)x=1. f′(x) thanks in advance!

  2. Math

    Consider F and C below. F(x, y, z) = (2xz + y2) i + 2xy j + (x2 + 15z2) k C: x = t2, y = t + 2, z = 3t − 1, 0 ≤ t ≤ 1 (a) Find a function f such that F = ∇f. f(x, y, z) = x2z+xy2+5z3+C Correct: Your answer is correct. (b)

  3. Physics

    Three resistors having the same resistance value are wired in parallel. How does the equivalent resistance compare to the resistance value of a single resistor? The equivalent resistance is thrice the value of a single resistor.

  4. Math

    Matt says the expressions 12 divided by p and p divided by 12 are equivalent. Darla says they are not equivalent. Who is correct. I said yes, if p = 12 the answer would both be 1

  1. math

    A student's score is 36 and she get 100% equivalent, what is the percentage equivalent if the other student get 27 out of 36 items

  2. Chemistry

    Determine the molar solubility of Y for XY2 if Ksp is 2.2x10^-4 The answer is 0.038, but I'm not sure how

  3. 8th grade math

    Suppose x and y are real numbers such that xy = 9 and x2y + xy2 + x + y = 100. What is the integer value of x2 + y2? (Target Round #6)

  4. algeebra

    Determine wether the two expressions are equivalent. If so,tell what property is applied. If not explain why. 1) 9 x 1 and 9. Is this expression equivalent because 9 x 1=9 and also 1 x 9=9.this would be an example of an

You can view more similar questions or ask a new question.