Operation Using Scientific Notation and Standard Form

Write the answer in scientific notation.
4.1 x 10⁵ +   5.5 x 10⁶  =

• 5.91 x 10⁶

• 9.6 x 10⁵

• 9.6 x 10¹¹

• 4.65 x 10⁵

(2.3 x 10²)+(4.1 x 10²)=

• 6.4 x 10⁴

• 6.4 x 10²

• 6.4 x 10⁰

• .64 x 10¹

(7.7 x 10²) + (1.1 x 10²)=

• 8.8 x 10⁴

• 6.6 x 10⁴

• 8.8 x 10²

• 6.6 x 10²

Which is the largest?
4.8 x 10^-6 
1.3 x 10²⁰
3.1 x 10^-4
9.2 x 10^-5 
9.5 x 10³²
5.9 x 10^-5
2.9 x 10²¹
8.4 x 10¹⁹

• 9.5 x 10³²

• 3.1 x 10^-4

• 8.4 x 10¹⁹

• 4.8 x 10^-6 

Find the difference
(3.8 x 10⁴) - (2 x 10³)

• 8 x 10⁴

• 8 x 10¹

• 3.6 x 10¹

• 3.6 x 10⁴

When writing a number in scientific notation, the first number must be greater than 1, but less than 10.

• False

• True

Fill in the blank with < , >, or =

678,000 _______ 6.78 x 10⁶

• <

• >

• =

Which of the following is correct scientific notation?

• 20.35 x 10⁴

• .2035 x 10⁴

• 2035 ⁴

• 2.035 x10⁴

How would you write 0.0005 in scientific notation?

• 50 x 10⁵

• 5 x 10^-4

• 5 x 10³

• .5 x 10³

How would you write -5.6 x 10^-3 in standard form?

• 0.0056

• -5,600

• 0.00056

• -0.0056