without doing ane actual division find which of the following rational numbers have terminating decimal representation--\n7/16, 23/125, 9/14 .......how do i solve dem widout act. division
207965
You can try multiplication since it is the inverse property of division.
590419
You have to find the LCM of 12,16,18,24 which is 864 . Then add 3 to the no. as you need the remainder  as 3.\n\nIf you need to know how to do the LCM email me ( I am assuming that a seventh grader will know how to solve an LCM problem).\nThe divisible by 17 part is just  a hit to check that your answer is correct.
388977
(b-4)/(b-4)(b+4) simplifies to 1/(b+4)\nrestrict denominator...bcannot equal 4 or -4
3967
4,850,180,331,125,622,098 according to the calculator on Windows. \n\nThis calculator seems to be only 14 characters long, so verification can be done as follows.\nFind the hex eqv for the longest possible number there starting from the beginning. This has already been done in the earlier answer. Next, in the decimal eqv, multiply by 16^2, add 5*16^1 and 2*16^0. That should give you the answer.
336011
get the n's on one side\nso\n17959/21558=(1.02/1.03)^n\nor\n.833055014=.990291262^n\nusing logs with change of base\nn=log (.833055014)/log(.990291262)\nor n=18.72
446501
In windows, open up the calculator.\nGo to scientific mode.\nSelect "Bin".\nType in the binary number.\nSelect "Dec"\nThe number is now displayed in decimal.\n\n4\n5\n12\n21\n15\n185\n154
412833
though there is only 16 0's, you have to count the place where the decimal is at also. for example: \n45,000,000=4.5x10^7 becasue you move the decimal over 7 places to get 45,000,000.\n\n220,000,000,000=2.2x10^11 because of the decimal placement also
483147
1/rt3 *1/rt2-1/rt3\n[1/rt3](1/rt2-1)\n[1/rt3](1-rt2/rt2)\nrationalising\n[(1-rt2)*rt6]/6
85120
I think the point may be to use synthetic division.  Look that up in your text.
659996
How does this work?  Is it okay to have a decimal in the middle?\n\nType 1   (Screen says 1)\n/ 3          (Screen says 0.3333333)\nx 3         (Screen says 0.9999999)\n+ 9        (Screen says 9.9999999)\n\n- Jack
409507
count the number of decimal places\nin your example, its 7\nyour example becomes the numerator (remove the decimal point)\nand 1+ seven 0s be the denominator\nso its\n1285714/10000000
240908
When dividing rational expressions you flip the second one and multiply\n (2x^2 + 5x)/(9x^2 – 16) ÷ (2x^2-7x + 6)/(3x^2 -x -4)\n= (2x^2 + 5x)/(9x^2 – 16)*(3x^2 -x -4)/(2x^2-7x + 6)\nFactor each one, then you can cancel anything on the top with anything that is on the bottom.
484842
Well, you got me stumped!\n\n-------------------------------------\n\nI started working it out and got pretty far.\n\nThe above given information might be incorrect.  Maybe?  I don't know.\n\nI tried it several times.  I even double and triple checked my work!\n\n---------------------------------------------\n\nThis is as far as I got and then I got stumped:\n(D-E) (B+C) = (10J + AFGH) / A\n\n------------------------------------------------------\n\nGreat question!\n\nI look forward to the continuing discussion.\n\nI love the way you worded your question.  Right on!!!\n\nKeep those challenge questions coming!  ;o}
14157
Not sure what LSB and MSB are, but it sounds like from the example that the number is reversed (like 61/16), and the answer should be an integer?\n\n8712 is divisible by 2178, not sure if it's the smallest one, though.
513062
the first three questions are answered as follows\n~ = means repeating decimal\n#1     $75 - (75 x .333~) = $50\n#2     $150 - (150 x .5) = $75\n#3     $750 x .1 = $75\n\nthe easiest way to the the additional problems you have add is as follows\n\n#1    80 x .2 = 16\n#2    50 x .5 = 25\n#3    40 x .1 = 4\n#4    68 x .25 = 17
176895
since each one gives you a *-----* i would say all of them are line segments.\n\nHowever since D. is the only one with an indefinite beginning and end and not a possible end or beginning, i would definately have to go with \n\nD.) -5 <= x <= 5\n\nThat is the only one that has a defined beginning and end and not a undefined end and/or beginning.
536257
fractions into decimals\n\neasy way is 7/100 \ndivide 7 by 100 and you will get 0.07\n\ndivde mix fractions like 2 5/8\nchange into improper fraction 21/8\nthen divde 21 by 8 and you will get 2.625