Applying Operations on Numbers Expressed Using Scientific Notation to Solve Mathematical and Real-World Problems

Divide the scientific notation:

(6.9 x 10⁷) / (2.3 x 10^-3)

• 3 x 10¹⁰

• 3 x 10⁴

• 3 x 10^-4

• 3 x 10^-11

Divide:
(6.9 x 10⁷) / (2.3 x 10^-3)

• 3 x 10¹⁰

• 3 x 10⁴

• 3 x 10⁵

• 3 x 10¹¹

What do you do to your exponents when you are dividing in scientific notation?

• subtract

• add

• multiply

• divide

When dividing in scientific notation, what do you do with the decimal numbers?

• Subtract them

• Keep them

• Divide them

Evaluate the expression. Give the answer in scientific notation.

Mathematical Equivalence

OFF

Divide.

Write the answer in scientific notation.

2 x 10⁵

-----------

8 x 10²

• 2.5 x 10⁴

• 2.5 x 10²

• 25 x 10³

• 0.25 x 10³

Simplify. Write each answer in scientific notation.

2.5 × 10¹ + 6.14 × 10⁴

• 6.1425 × 10⁴

• 6.1425 × 10⁷

• 6.1425 × 10¹⁰

• 6.1425 × 10¹³

Give the difference of (7.2 x 10⁷) - (4.5 x 10⁷)

• 2.7 x 10⁷

• 2.7 x 10⁰

• 1.17 x 10⁷

• 3.3 x 10⁷