Multiplying/Dividing Scientific Notation

Evaluate. Leave your answer in scientific notation. 
(3.4×10⁴)(2×10⁴)

• 6.8×10⁴

• 5.4×10⁴

• 6.8×10⁸

• 5.4×10⁸

Evaluate. Leave your answer in scientific notation. 
(9.6×10⁸)  ⁄  (3×10⁴)
(hint - it's division...)

• 6.6×10²

• 3.2×10¹²

• 3.2×10⁴

• 6.6×10⁴

(20 x 10⁵⁰) / (4 x 10¹⁵)

• 2.4 x 10⁵¹

• 5 x 10⁶⁵

• 8 x 10⁶⁶

• 5 x 10³⁵

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

If the exponent is a negative number, _____________.

• you will get a larger number, because you are dividing

• you will get a smaller number, because you are dividing

• you will get a larger number because you are multiplying

• you will get a smaller number because you are multiplying

(9.6×10³) × (6.7×10²)

• 64.32×10⁵

• 6.432×10⁶

• 64.32×10⁶

Solve: (2 x 10⁹) (4 x 10^-4)

• 8 x 10¹³

• 8 x 10³⁶

• 8 x 10⁵

• 8 x 10^-36

Multiply:

(9.4 x 10⁶)(3.2 x 10⁵)

• 30.08 x 10¹¹

• 3.008 x 10¹⁰

• 3.008 x 10¹²

• 2.9375 x 10¹

When multiplying numbers in scientific notation, what do you do with the exponents?

• Multiply them

• Add them

• Keep them the same

• Make them equal

(3 x 10^-5)/(4 x 10²)

• .75 x 10^-3

• 75 x 10^-7

• 7.5 x 10^-8

•  7 x 10²