Using the EE Key on Calculators

The video tutorial explains the use of the EE function on scientific calculators, particularly focusing on Texas Instrument models. It highlights the importance of the EE key for simplifying calculations involving powers of 10, commonly used in chemistry. The tutorial provides step-by-step instructions on entering numbers in scientific notation using the EE key, including handling both positive and negative exponents. The EE key eliminates the need for parentheses, ensuring accurate results. The video emphasizes the correct use of the change sign key for negative exponents and the second function key to activate the EE function.

What is the primary benefit of using the EE function on a scientific calculator?

• It allows for faster calculations.

• It ensures accurate results when dealing with powers of 10.

• It provides a larger display.

• It saves battery life.

On a Texas Instrument calculator, what does the EE key represent?

• Error

• Equal

• Exponent

• Times 10

How do you activate the EE key on a Texas Instrument calculator?

• Press the division key, then the EE key.

• Press the EE key directly.

• Press the second function button, then the EE key.

• Press the multiplication key, then the EE key.

What is the first step to enter a number in scientific notation using the EE key?

• Press the EE key.

• Enter the decimal part of the number.

• Press the second function button.

• Enter the exponent first.

When using the EE key, what should you avoid entering?

• The decimal part of the number.

• The multiplication sign.

• The second function button.

• The exponent.

How do you indicate a negative exponent when using the EE key?

• Use the change sign key.

• Use the addition key.

• Use the division key.

• Use the subtraction key.

What key should you use to avoid errors when entering a negative exponent?

• Subtraction key

• Addition key

• Multiplication key

• Change sign key

What is the correct sequence to enter 4.35 x 10^5 using the EE key?

• 4.35, EE, 5

• 4.35, x, 10, 5

• 4.35, 10, EE, 5

• 4.35, EE, x, 5

What is the correct sequence to enter 4.35 x 10^-5 using the EE key?

• 4.35, EE, 5, -

• 4.35, EE, -5

• 4.35, EE, 5, change sign

• 4.35, x, 10, -5

What is a key benefit of using the EE key for scientific notation?

• It allows for color coding.

• It increases the calculator's memory.

• It provides a larger display.

• It reduces the need for parentheses.