Estimate Quantity in Scientific Notation

(4.5 x 10²) + (6.2 x 10⁴)

• 6.245 x 10⁴

• 6.245 x 10²

• 10.7 x 10²

• 1.07 x 10⁴

Solve:
(6.0 x 10⁴) + (3.0 x 10⁴)

• 9.0 x 10⁴

• 3.0 x 10⁴

• 9.0 x 10⁸

• 3.0 x 10⁰

(8 x 10⁴) + (4 x 10⁴)

• 12 x 10⁴

• 1.2 x 10⁵

• 1.2 x 10⁹

• 1.2 x 10⁸

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

Convert to scientific notation:

520,000,000

• 52 x 10⁷

• 5.2 x 10^-7

• 5.2 x 10⁸

• 0.52 x 10⁹

How would you write 0.0005 in scientific notation?

• 50 x 10^-5

• 5 x 10^-4

• 5 x 10³

• .5 x 10³

Express the following in scientific notation:
.000457

• 457 x 10⁶

• 457 x 10^-6

• 4.57 x10⁴

• 4.57 x 10^-4

Put the following number in scientific notation:
0.062

• 0.62 x 10¹

• 62

• 6.2 x 10^-2

• 6.2 x 10²

Which number is correctly written in scientific notation?

• 10.4 x 10³

• 9.99 x 10⁶

• 143.002 x 10^-4

Solve:
(2.1×10​²​​) × (3.0×10​⁴)

• 5.1 x 10²

• 6.3 x 10⁶

• 5.1 x 10⁶

• 6.3 x 10⁸