Proportions and Scientific Notation

At a summer camp, there are 40 girls out of 60 campers.  What is the ratio written in simplest form?

• 2/3

• 20/30

• 40/60

• 10/60

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

7.4 x 10^-6

• 7,400,000

• 0.0000074

• 74,000,000

• 0.00074

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CCSS.8.EE.A.3

41,260,000

• 4.1 x 10⁷

• 4.126 x 10^-7

• 4.1 x 10^-7

• 4.126 x 10⁷

Tags

CCSS.8.EE.A.3

0.0090413

• 9 x 10^-3

• 904.13 x 10^-5

• 9.0413 x 10^-3

• 90413 x 10^-7

Tags

CCSS.8.EE.A.3

A parcel of land measures 49,000 square yards.  Write this number in scientific notation.

• 49 x 10³

• 4.9 x 10^-4

• 0.49 x 10⁵

• 4.9 x 10⁴

Tags

CCSS.8.EE.A.3

4.2 x 10⁶

• 4,200,000

• 0.0000042

• 42,000,000

• 0.00042

Tags

CCSS.8.EE.A.3

Jessica wants to write 0.9 in scientific notation. What power of ten should she use?

• 2

• 1

• 0

• -1

Tags

CCSS.8.EE.A.3

8,346,000,000

• 8.3 x 10⁹

• 8.34 x 10⁹

• 8.346 x 10⁹

• 0.8346 x 10⁹

Tags

CCSS.8.EE.A.3

(7.381 x 10²) + (8.7 x 10²)

• 16.081 x 10²

• 1.6081 x 10³

• 16.081 x 10⁴

• 1.6081 x 10²

Tags

CCSS.8.EE.A.4

How many seconds (in scientific notation) are in 4 minutes?

• 240

• 240 x 10¹

• 2.4 x 10²

• 1.2 x 10²

Tags

CCSS.8.EE.A.3