Scientific Notation Lesson

Open Ended

Why is it important to have a way to represent very large or very small numbers in scientific investigations?

Multiple Select

Which of the following statements are true about scientific notation?

• The exponent is positive for numbers greater than 1

• The exponent is negative for numbers less than 1

• The decimal point is placed so there is one non-zero digit to its left

• The exponent is always positive

Open Ended

Describe the steps needed to convert a number to scientific notation.

Multiple Choice

Which of the following numbers is written in scientific notation?

• 4.2 × 10^6

• 4200000

• 0.0000042

• 42,00,000

Multiple Choice

When converting a number from scientific notation to standard form, what should you do if the exponent on the 10 is negative?

• Move the decimal point to the left

• Move the decimal point to the right

• Add zeros to the end of the number

• Multiply the number by 10

Multiple Select

Which of the following are correct steps when converting from scientific notation to standard notation?

• Move the decimal point according to the exponent on 10

• If exponent is positive, move decimal to the right

• If exponent is negative, move decimal to the left

• Always add zeros to the left of the number