2361X1400/73.33X2.288

Algebra
Tutor: None Selected Time limit: 1 Day

multiply 2346 by 1400 than divide that by 73.33 Times 2.288 the answer is 2,0X10^4 need help with the process

Jun 21st, 2015

Thank you for the opportunity to help you with your question!

2346*1400=3284400

73.33*2.288=167.77904

3284400/167.77904=19575.74677

writing it in the standard form 1.957574677*10^4

which is equivalent to 2.0*10^4

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 21st, 2015

okay that kind of makes sense lets do another practice one.

(3.66X10^3)X(4.091X10^-5)

Jun 21st, 2015

multiply the real numbers 3.66 and 4.09; 3.66X4.09=14.9694

then 10^3X10^-5=10^(3-5)=10^(-2)

then the answer is 

=14.9694*10^-2

=1.49694*10^-1

Jun 21st, 2015

you can round off it to the nearest once=2.0X10^-1

or nearest tenth= 1.5*10^-1

Jun 21st, 2015

okay my practice test rounded it to the tenth.  one question that i had was when you have this 10^3X10^-5=10^(3-5)=10^(-2) how do you end up with a exponent of -1

Jun 21st, 2015

note that the decimal point moved to the left by one step. therefore add one to -2 and get -1. Please check the decimal places

Jun 21st, 2015

okay i see now there were a few problems like those thanks for your help. The next set is

366.6g/0.25L   X  1KG/1000G    X     1L/1000ML    



Jun 21st, 2015

366.6/0.25 X 1kg/1000g X 1l/1000ml=1466.4 X 1kg/10^3g X 1l/10^3ml

=(1466.4*10^-3*10^-3)kg/ml. now write 1466.4 in standard form to get 1.4664*10^3

=((1.4664*10^3)*10^-3*10^-3)

=(1.4664*10^(3-3-3))

=(1.4664*10^(-3))

=1.4664*10^-3

Jun 21st, 2015

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