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chemistry
hi, Can you please double check to see if i have got this right? Is the empirical formual for oxide of arsenic As2O5? Cheers ;) Arsenic forms two oxides with oxygen. One is As2O5, the other is As2O3. I'm glad you posted today;
asked by bertie on February 7, 2007 
Math
^=exponents /= divide So I am not sure how to do this. It is an example in my book but I still don't get it. Can you work through ti so I can do my real work. (1^2+1^2)^1 (1^2+1^2)^1 = First, do work within the
asked by Gina on November 23, 2006 
Math
3) Explain how the laws of exponents work with rational exponents and give at least one example of an expression containing rational exponents... Please help.. I can't find the answer to this anywhere..
asked by June on August 5, 2010 
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)
asked by cherry on February 7, 2019 
To Writeacher
Are you still on here. I just posted my "fixed" critical analysis essay. Thanks again!
asked by Crystal on November 25, 2009

Why can't I post
I don't know why, but i am getting a friend to post this up for me, but i cannot post a question, when i do, the successful window never comes up. it just goes back to the forum and doesnt add. can anyone help me why? or what i
asked by becky on January 18, 2007 
phys
The speed of ocean waves depends on their wavelength Î» (in meters) and the gravitational field strength g (in m/sË†2) in this way: V=KÎ»Ë†p GË†q Where K is a dimentionless constant. Find the value of the exponents p
asked by Cheyenne on August 29, 2005 
Math
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
asked by Deborah on January 16, 2013 
Math
Not really understanding solving the formual for the indicated variable. Solve for b2 h/2(b1+b2)
asked by Adrianna on August 28, 2008 
mat 117/ algebra
My question is about scientific notations. Here is the problem. What I need clarification on is the power signs. When to add, subtract or multiply? (2.4 x 10^5)(4 x 10^4) is the anwer 9.6 x 10^9 or 9.6 x 10^20 The answer is NOT
asked by Diana on June 30, 2007