The workings out for this complex calculation 0.05 x 415 / 9.5 x j 3.12 = 1.971 + j 0.648?
815184
check your question-you may have \nwritten something down wrong-\ni can't follow it\n\ni'll be back later
151654
It's multiplication.\n\n(64500)(0.02) = 1290\n\nScientific notation is 1.29 * 10^3
1146202
It would be 0.5^1/3 (cube root of 0.5) which is approximately equal to .7937
1122196
I = 4000(.06)(5)\nI = 4000 * .3\nI = 1200
109858
5/3 is 1 and 2/3. It will give you a nonterminating decimal. 1.6666666666666666666666666666666666666666 66666666666666666666666666666666666666666666 66666666666666666666666666666666666666666666 66666666666666666666666666666666666666666666
907361
4/3(3.14)0.01^3=4.186 ^-6
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Output work 3.2J\nInput work 12 x 0.3 Nm = 3.6 J \nEfficiency = output work / input work = 3.2/3.6=0.88=88%
462416
9. B\n10. B\n11. It's 0.3455\n12. C
665207
12.8 & -0.15\n\nEach multiplied by (1/41) gives\n0.312195122 & -0.003658536
239293
1.643+2.912-2.620+8.660=10.595
849885
I understand your frustration in receiving no Answer yet to this question, but since I do not have any direct knowledge of how to perform the calculation(s) you need ... I hope the link below serves you well.  It appears to explain the mathematics behind all the concepts you mention.
365902
(.8+.9)/(1+.8*.9)=.98837c
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12.45 x 34.59 =\n1245/100 x 3459/100= \n(1245x3459)/ (100x100)=\n4306455/10000=\n430.6455
265295
q=(1/3j)/H or q=j/(3H)
844773
4x+y=37     ---------> (*-0.05)\n 0.25x+0.05y= 5.5\n\n  -0.2x-0.05y= -1.85\n 0.25x+0.05y= 5.5\n 0.05x=3.65\n        x= 73\n\nSo there are 73 QUARTERS AND -255 NICKLES IT MAY NOT SEEM LOGICAL BUT WHEN YOU PLUG IT IN IT WORKS\n\n4(73)+y= 37\n292+y=37\ny=37-292\ny= -255
745065
(3m/n)(n^2/9) \n=(3mn^2)/(9n)\n=(3mn)/(9)\n=(mn)/3
287407
3(16 y_squared - 24xy + 9 x_squared)