Multiplying and Converting Scientific Notation

The video tutorial explains how to multiply numbers in scientific notation using a TI-84 calculator. It demonstrates the process with two examples, showing how to input numbers and exponents, calculate products, and convert results into decimal notation. The tutorial emphasizes understanding the impact of positive and negative exponents on the size of the number.

What is the first step in multiplying numbers in scientific notation using the TI-84 calculator?

• Enter the exponent first

• Start with an open parenthesis

• Press the multiplication key

• Type the number directly

Which key combination is used to enter the exponent in scientific notation on the TI-84?

• Second, comma

• Mode, comma

• Alpha, E

• Shift, E

What is the result of multiplying 1.6 x 10^4 by 4.6 x 10^-8 on the TI-84?

• 7.36 x 10^4

• 7.36 x 10^8

• 7.36 x 10^-4

• 7.36 x 10^-8

How do you convert 7.36 x 10^-4 to decimal notation?

• 0.736

• 0.0736

• 0.00736

• 0.000736

What happens to a number when multiplied by 10 to a negative power?

• It becomes zero

• It gets smaller

• It remains the same

• It gets larger

What is the scientific notation for the number 9 x 10^3?

• 9E-30

• 9E30

• 9E-3

• 9E3

What is the result of multiplying 9 x 10^3 by 8 x 10^6 on the TI-84?

• 7.2 x 10^11

• 7.2 x 10^8

• 7.2 x 10^9

• 7.2 x 10^10

How many places do you move the decimal to convert 7.2 x 10^10 to decimal notation?

• 8 places to the right

• 10 places to the right

• 8 places to the left

• 10 places to the left

What is the decimal notation for 7.2 x 10^10?

• 7,200,000,000

• 720,000,000

• 72,000,000,000

• 720,000,000,000

What is the effect of multiplying a number by 10 to a positive power?

• The number becomes negative

• The number increases

• The number remains unchanged

• The number decreases