Multiplying and Dividing with Scientific Notations

If the exponent is a positive number, ____________.

• you will get a larger number because you are multiplying

• you will get a smaller number because you are dividing

• you will get a larger number because you are dividing

• you will get a smaller number because you are multiplying

Tags

CCSS.8.EE.A.1

(5 x 10⁶)(5 x 10⁷)

• 2.5 x 10¹²

• 2.5 x 10¹⁴

• 25 x 10¹²

• 25 x 10¹³

Tags

CCSS.8.EE.A.4

5 x 10¹²
------------
2 x 10⁶

• 2.5 x 10²

• 2.5 x 10⁶

• 3 x 10²

• 2.5 x 10¹⁸

Tags

CCSS.8.EE.A.4

2 x 10⁵
----------
8 x 10²

• 2.5 x 10⁴

• 2.5 x 10²

• 25 x 10³

• .25 x 10³

Tags

CCSS.8.EE.A.4

What is the simplified form of
(3.25 x 10³)(7.8 x 10⁶)

• 2.535 x 10¹⁰

• 2.535 x 10¹⁸

• 2.535 x 10¹⁹

• 2.535 x 10⁹

Tags

CCSS.8.EE.A.4

What is the simplified version of

• 4 x 10^-6

• 4 x 10²⁰

• 4 x 10⁶

• 4x 10²⁰

Tags

CCSS.8.EE.A.4

Multiply:
(9.4 x 10⁶)(3.2 x 10⁵)

• 30.08 x 10¹¹

• 3.8 x 10¹

• 3.008 x 10¹²

• 2.9375 x 10¹

Tags

CCSS.8.EE.A.4

Multiply:
(3.4 x 10⁵)(1.2 x 10^-3)

• 4.08 x 10^-8

• 4.8 x 10²

• 4.08 x 10²

• 4.08 x 10^-15

Tags

CCSS.8.EE.A.4

Divide:
(6.9 x 10⁷) / (2.3 x 10^-3)

• 3 x 10¹⁰

• 3 x 10⁴

• 3 x 10^-4

• 3 x 10^-11

Tags

CCSS.8.EE.A.4

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

• 0.0056

• -5,600

• 0.00056

• -0.0056