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You must put parentheses around the negative and the exponent for the correct answer.

Posted on Aug 06, 2009

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Posted on Jan 02, 2017

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Look for a key that is marked EE, or Exp, or x10^x. To enter a number in
scientific notation, you enter the decimal part, then press the Enter
Exponent key, followed by the exponent. If exponent is negative, you
precede it with a press of the change sign key (-).

Once a number is entered there is no special treatment: multiply it divide, or add it.

Once a number is entered there is no special treatment: multiply it divide, or add it.

Mar 16, 2012 | Aurora Electronics SC150X Scientific...

Look for a key that is marked EE, or Exp, or x10^x. To enter a number in scientific notation, you enter the decimal part, then press the Enter Exponent key, followed by the exponent. If exponent is negative, you precede it with a press of the change sign key (-).

Once a number is entered there is no special treatment: multiply it divide, or add it.

Once a number is entered there is no special treatment: multiply it divide, or add it.

Mar 16, 2012 | Aurora Electronics SC150X Scientific...

Two keys can be used to enter negative exponents on the TI-30Xa scientific
calculator; the [y^x] key or the [EE] key. The [y^x] key is used for
all exponents while the [EE] key is used for scientific notation only.

The examples below will demonstrate how to use both keys:

1) Entering 7^-2.

• Press [7] [y^x] [2] [+/-] [=].

• The calculator will display: 0.20408163.

2) 1*10^-3.

• Press [1] [EE] [3] [+/-] [=].

• The calculator will display: 0.001

The examples below will demonstrate how to use both keys:

1) Entering 7^-2.

• Press [7] [y^x] [2] [+/-] [=].

• The calculator will display: 0.20408163.

2) 1*10^-3.

• Press [1] [EE] [3] [+/-] [=].

• The calculator will display: 0.001

Sep 18, 2011 | Texas Instruments TI-30XA Calculator

Depending on your version of the TI-30, you will either find a button with a y to the exponent of x or a button that is the carot (^) sign. you would type (1.0075)^(-240), where ^ is the appropriate button (y^x or just ^).

Jul 18, 2011 | Computers & Internet

Use the EE key (just above the 7 key) to enter an exponent. For a negative exponent, use the +- key (just to the right of the decimal point key) to enter the negative sign.

For example, to enter 1.2 x 10^-21, press 1 . 2 EE +- 2 1

To switch the display mode to scientific notation, press 2nd [SCI] (the 5 key).

For example, to enter 1.2 x 10^-21, press 1 . 2 EE +- 2 1

To switch the display mode to scientific notation, press 2nd [SCI] (the 5 key).

Jan 10, 2011 | Texas Instruments TI-30XA Calculator

Use the (-) key for negative numbers (not just exponents) instead of the - key. The - is to subtract one value from another, (-) is to input a negative value.

Sep 09, 2010 | Texas Instruments TI-30XA Calculator

Type in the mantissa, then the EE key (for Enter Exponent) above the 7 key, then the exponent. If it's a negative exponent, press the (-) key to the right of the decimal point before entering the exponent.

Sep 03, 2010 | Texas Instruments TI-34II Explorer Plus...

Use the (-) key in the far left column to enter the negative sign. Not just for exponents, either, but for any negative value.

Aug 29, 2010 | Texas Instruments TI-30XA Calculator

To enter a number in scientific notation use the [EE] key. Press the change sign key [(-)] before entering a negative exponent.

Ex: Enter the .lectron charge 1.6 *10-19

1.6 [EE] [(-)] 19 [ENTER=]

Ex: Enter the .lectron charge 1.6 *10-19

1.6 [EE] [(-)] 19 [ENTER=]

Aug 13, 2009 | Texas Instruments TI-34II Explorer Plus...

Hello

To calculate a number to an arbitrary power you use the button labeled ^ .

If you want the cube of 2 your enter

[2][^][3] will give you 8. If your exponent is negative use the sign change key (-) and close the negative exponent between parentheses : for exemple the sequence to compute 2 to power of negative 5 is as follows

2[^] [(] 5 [(-)] [)] which means you enter the value of the exponent before the change sign (-). If you use the big MINUS sign you will get a syntax error.

Hope it helps.

To calculate a number to an arbitrary power you use the button labeled ^ .

If you want the cube of 2 your enter

[2][^][3] will give you 8. If your exponent is negative use the sign change key (-) and close the negative exponent between parentheses : for exemple the sequence to compute 2 to power of negative 5 is as follows

2[^] [(] 5 [(-)] [)] which means you enter the value of the exponent before the change sign (-). If you use the big MINUS sign you will get a syntax error.

Hope it helps.

Aug 29, 2008 | Casio FC-200V Scientific Calculator

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