Computing in Scientific Notation

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

Tags

CCSS.8.EE.A.4

Multiply:
(3.4 x 10⁵)(1.2 x 10^-3)

• 4.08 x 10³

• 4.8 x 10²

• 4.08 x 10²

• 4.08 x 10¹

Tags

CCSS.8.EE.A.4

Divide:
(6.9 x 10⁷) / (2.3 x 10^-3)

• 3 x 10¹⁰

• 3 x 10⁴

• 3 x 10^-4

• 3 x 10^-11

Tags

CCSS.8.EE.A.4

Tags

CCSS.8.EE.A.4

Which of the following is true about 3.2 X 10^-6? Select all that apply.

• The standard form of the number is a large number that is more than one.

• The standard form of the number is a tiny number that is less than one.

• The exponent is negative because the number in standard form is a small number.

• The exponent is negative because the number in standard form is a large number.

Tags

CCSS.8.EE.A.3

The table below shows the debt of the three most populous states and the three least populous states. Part A.) What is the sum of the debts for the three most populous states? Express your answer in scientific notation.

• 1.892 x 10^6

• 1.02 x 10^12

• 1.892 x 10^3

• 1.02 x 10^7

Tags

CCSS.8.EE.A.4

The Colorado Department of Education spent about 4.408 x 10⁹ in fiscal year 2004-2005 on public schools.  There were about 7.6 x 10⁵ students enrolled in public school.  What was the average spending per student? 

• Add

• Subtract

• Multiply

• Divide

Tags

CCSS.8.EE.A.4

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Tags

CCSS.8.EE.A.4

Tags

CCSS.8.EE.A.4

Divide.

• 3.9 x 10⁶

• 4 x 10²⁰

• 4 x 10⁶

• 3.9 x 10²⁰

Tags

CCSS.8.EE.A.4