Grade 8 Math Scientific Noation

2.1 Scientific Notation with Positive Powers of 10

Write each number in scientific notation.

2,000

• 2 x 10^-3

• 2 x 10²

• 2 x 10³

• 2 x 10⁴

Tags

CCSS.8.EE.A.3

2.1 Scientific Notation with Positive Powers of 10.

The population of Indonesia was about 2.48216 x 10⁸ people in 2011. What is this number in standard notation?

• 248,216,000,000

• 248,216,000

• 248,2160000

• 248,216,000,000,00

Tags

CCSS.8.EE.A.3

2.2 Scientific Notation with Negative Powers of 10.

Write each number in scientific notation.

0.02

• 2 x 10^-2

• 2 x 10^-3

• 2 x 10^-1

• 2 x 10^-4

Tags

CCSS.8.EE.A.3

2.2 Scientific Notation with Negative Powers of 10.

The biological structure, Lymphocyte has a diameter of 0.000009. Write the diameter of the structure in scientific notation.

• 9 x 10^-4 m

• 9 x 10^-5 m

• 9 x 10^-7 m

• 9 x 10^-6 m

Tags

CCSS.8.EE.A.3

Which of the following is the number 90 written in scientific notation?

• 90 x 10²

• 9 x 10²

• 90 x 10¹

• 9 x 10¹

Tags

CCSS.8.EE.A.3

The square root of a number is between 7 and 8. Which could be the number?

• 72

• 83

• 51

• 66

Tags

CCSS.8.NS.A.2

Write all the names that apply to each number.

5.44444...

• Imaginary

• Rational, Real

• Whole, Integer,Rational, Real

• Irrational, Real

Tags

CCSS.6.NS.C.6

Order the numbers from least to greatest.

6, 2π, and √(38)

• 6, 2π, √(38)

• 6,√(38), 2π

• 2π, 6, √(38)

• √(38), 6, 2π

Tags

CCSS.8.NS.A.2

Solve the equation for x.

20 + 30x = 36 + 28x

• x = 28

• x = 8/29

• x = 8

• x = -8

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Solve for x.

150 + 25x = 55x.

• x = 5

• x = 15/8

• x = -30

• x = -5

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7