Operations With Scientific Notation

Write the answer in scientific notation.
5 x 10⁸ -   3.4 x 10⁸  =

• 2.4 x 10⁸

• 2.4 x 10⁰

• 1.6 x 10⁰

• 1.6 x 10⁸

Write the answer in scientific notation.
7.3 x 10⁵  +   3.7 x 10⁵  =

• 11.0 x 10⁵

• 1.1 x 10¹⁰

• 1.10 x 10¹¹

• 1.1 x 10 ⁶

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

Multiply:
(3.4 x 10⁵)(1.2 x 10^-3)

• 4.08 x 10³

• 4.8 x 10²

• 4.08 x 10²

• 4.08 x 10¹

(2.9 x 10^-9) - (1.7 x 10^-9)

• 2 x 10^-18

• 2 x 10^-9

• 4.6 x 10^-9

• 1.335 x 10^-4

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

• 8 x 10⁴

• 8 x 10¹

• 3.6 x 10¹

• 3.6 x 10⁴

UNDERSTANDING:
The first number in scientific notation must be...

• between and including 0 and 10

• between and including 1 and 9.9999

• between and including 0 and 9.999

• between and including 1 and 10 

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 

(3.8×10⁷)×162

• 6.156×10⁹

• 6.156×10⁸

• 615×10⁷

• 615×10⁸

Multiply using scientific notation.
(2 x 10³) x (1.9 x 10²)

• 3.8 x 10⁵

• 3.8 x 10²

• 3.8 x 10⁴

• 3.8 x 10⁶