Converting Numbers to Ordinary and Standard Form

The video tutorial covers converting numbers from standard form to ordinary numbers and vice versa. It begins with converting 8 * 10^4 to an ordinary number, explaining the movement of the decimal point and the significance of positive powers. The tutorial then demonstrates using a calculator to solve a problem involving division of numbers in standard form, emphasizing the importance of correct bracket placement. It further explains converting small numbers to standard form, detailing the movement of the decimal point and the use of negative powers. The video concludes with a discussion on marks allocation for correct answers.

What is the ordinary number for 8 * 10^4?

• 800

• 800,000

• 8,000

• 80,000

When converting 3.5 * 10^5 divided by 7 * 10^8 using a calculator, what is the result in standard form?

• 5 * 10^-4

• 5 * 10^-5

• 5 * 10^-3

• 5 * 10^-6

How many spaces do you move the decimal point to convert 0.0005 to standard form?

• 4 spaces

• 3 spaces

• 2 spaces

• 5 spaces

In standard form, what should the first number (A) be between?

• 100 and 1000

• 1 and 10

• 0 and 1

• 10 and 100

What is the power of 10 for the number 5 in the standard form 5 * 10^-4?

• -5

• -2

• -3

• -4