Untitled Lesson

Scientific Notation with Positive Powers

Remember:

The first number must be between 1 and 10.

Remember:

The exponent tells you how many places to move the decimal.

Remember:

Put an arrow where the decimal needs to be and count how many spots you moved.

Multiple Choice

How do you write 20.6 in scientific notation?

• 2.6 x 10¹

• 2.06 x 10¹

• 2.06 x 10²

• 2.6 x 102

Multiple Choice

How do you write 4.5 x 10⁴ in standard notation?

• 450,000

• 45,000

Multiple Choice

How do you write 7,100 in scientific notation?

• 7 x 10³

• 7.1 x 10²

• 7.1 x 10³

• 7 x 10²

Multiple Choice

How do you write 6.1 x 10⁸ in standard notation?

• 610,000,000

• 6,100,000,000

Multiple Choice

What is the first step when writing 56,000 in scientific notation?

• multiply

• count the zeros

• find where the decimal should be placed

• divide

Multiple Choice

What is the first step when writing 9.4 x 10³ in standard notation?

• add 3 zeros

• multiply

• divide

• move the decimal 3 places

Multiple Choice

True or False?

6.2 x 10⁵ = 620,000

• True

• False

Multiple Choice

True or False?

7,300 = 7.3 x 10²

• True

• False

Poll

I feel like I understand scientific notation ________.

• really well!

• sort of.

• a little.

• not at all.