Learn how to write a number our from scientific notation

The video tutorial explains how to calculate 10 to the 4th power by multiplying 10 by itself four times. It then demonstrates how to move the decimal point to the right for positive exponents, using the example of 7.86. The final answer is given as 78,600, with a note on including zeros for empty decimal places. The tutorial concludes with a brief Q&A session.

What does 10 to the 4th power mean?

• 10 added to itself 4 times

• 10 multiplied by 4

• 10 multiplied by itself 4 times

• 10 divided by 4

How many decimal places do you move when multiplying 7.86 by 10 to the 4th power?

• 4 places to the right

• 2 places to the left

• 5 places to the left

• 3 places to the right

What is the result of moving the decimal point 4 places to the right in 7.86?

• 7,860

• 78,600

• 7860

• 786

What should be done with empty decimal places after moving the decimal point?

• Leave them empty

• Fill them with ones

• Fill them with zeros

• Ignore them

Is it necessary to keep the decimal point in the final answer of 78,600?

• Yes, always

• No, it can be omitted

• Only if specified

• Depends on the context