Scientific Notation I

What tells us the magnitude (the size) of a number in scientific notation?

• The exponent

• The 10

• The leading digit

The base of the exponent in scientific notation will always be 10. Ex] 4.23 x 10 ⁴

• True, it should never be anything but 10.

• False, it can also be a 5.

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000
• 0.00043756
• 43,756
• 4,3756

Tags

CCSS.8.EE.A.3

How would you write 0.0005 in scientific notation?

• 50 x 10^-5

• 5 x 10^-4

• 5 x 10³

• .5 x 10³

Tags

CCSS.8.EE.A.3

CCSS.8.EE.A.4

How do you write

8.317 x 10⁶

in standard form?

• 8,317,000

• 83,170,000

• 837,100

Which of the following is correct scientific notation?

• 2035⁴

• .2035 x 10⁴

• 2.035 x10⁴

Express the following in scientific notation:

.000457

• 457 x 10⁶

• 4.57 x 10^-4

• 4.57 x10⁴

Convert to scientific notation:

520,000,000

• 52 x 10⁷

• 5.2 x 10^-7

• 5.2 x 10⁸

If the exponent is a negative number the original number was...

• a really large number.

• a really small number.

Tags

CCSS.8.EE.A.3

Change from standard form to scientific notation: 12,000,000

• 12.0 x 10⁷

• 0.12 x 10⁷

• 1.2 x 10⁷