Question about Texas Instruments TI-30XA Calculator

# Solve 1.21 x 10 to the positive 5 divided by 1x 10 to the 12

I want to learn how to plug it in into the calculator. I wanto to learn how to use it.

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1 . 2 1 EE 5 / 1 EE ...

Posted on Feb 19, 2010

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### Formula to calculate square feet from feet

Measure the length and the width and multiply the two together. So if your bedroom is 15 feet long and 12 feet wide it would be 180 square feet.

If you wanted it in yards, you would divide by 9 so 20 square yards.

If you want to be really accurate you can go as close as 3 inches
3" would be .25
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One of the few things I learned at school in the 1960s that I have used a lot.

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### Calculating chemistry 1 scientific equation divided into another?

Use the rules for exponents and you will calculate it by hand
(1*10^-14)/(5*10^-12)=(1/5)*10^(-14+12)= 0.2*10^-2=2*10-3
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Somehow you're calculating 12!/(5!/7!).

Press 1 2 MATH left-arrow 4 / 5 MATH left-arrow 4 / 7 MATH left-arrow 4 ENTER to calculate the desired value. Alternatively, you can press 1 2 MATH left-arrow 3 5 ENTER or 1 2 MATH left-arrow 3 7 ENTER to calculate the same thing.

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### Need help in Algerbra, how to solve this problem 3(8)+3(5+3)=_x(10+2)

3(8)+3(5+3)=x(10+2) First add numbers in ()
3(8)+3(8)=x(12) Now multiply the numbers next to ()
24+24=12x Now add the 24 +24
48=12x Now we have to solve for x. 12x is actually 12 times x. in order to solve for x we have to do the opposite and divide by 12
48=12x
12 12

4=1x is the same as 4=x.

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### Solve g(x)=-x

Simplifying
g(x) = -1x

Multiply g * x
gx = -1x

Solving
gx = -1x

Solving for variable 'g'.

Move all terms containing g to the left, all other terms to the right.

Divide each side by 'x'.
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### Need help with an assignment for a college paper. need to specify why hypothetical students made the mistakes in division and what the mistakes are and what feedback could be given. the ex. are 2388...

It would seem to me that the answer was found at a grade 3 or 4 level

If you divide 288 by 4 you get 97. Then the 1 is carried to the 2 leaving 12. 12 divided be 4 is 3 leaving a result of 397.

Second one....

217 divided by 5 is 43.4 or 43 with a remainder of 2.

Leaving 5 divided by 5 equaling 1.

Combining the 1 with the 43 with a remainder of 2 bringing you a total of 143 r2

This as mentioned would be at a grade 3 or 4 calculation with no understanding of how to properly divide.

I hope this helps and gives you the "A" you're looking for.

All the best.

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