SOLUTION: Hello out there,I need some help with some math problems,the first one is,Simplify:5^2x(times)5^4.The next one is,Evaluate -5x^4z,if x=-2 and z=3.The next one is,Simplify:-14m^2n d

Question 85781: Hello out there,I need some help with some math problems,the first one is,Simplify:5^2x(times)5^4.The next one is,Evaluate -5x^4z,if x=-2 and z=3.The next one is,Simplify:-14m^2n divided by 7m^2.And the last one is,Express 7,200,000,000 in scientific notation.Thanks for whoever can help.
Answer by scianci(186) (Show Source): You can put this solution on YOUR website!
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