Scientific Notation Division Problems

When dividing numbers in scientific notation, what do you do to the exponents?
For example:
(4×10⁵) ∕ (3×10²)

• Add them

• Subtract them

• Keep them the same

• Divide them

Tags

CCSS.8.EE.A.4

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

Tags

CCSS.8.EE.A.4

Solve:
(6 x 10⁶) / (2 x 10³)

• 12 x 10³

• 3 x 10⁹

• 1.2 x 10⁴

• 3 x 10³

Tags

CCSS.8.EE.A.4

(20 x 10⁵⁰) / (4 x 10¹⁵)

• 2.4 x 10⁵¹

• 5 x 10⁶⁵

• 8 x 10⁶⁶

• 5 x 10³⁵

Tags

CCSS.8.EE.A.4

• 3.6 x 10²

• 3.6 x 10⁸

• 4.6 x 10⁸

• 4.6 x 10²

Tags

CCSS.8.EE.A.4

Use the expression below to answer Parts A and B. (7.8 imes10^5) div (1.2 times10^9). Part A: Complete a true statement about the expression. The quotient will be ​ ​ (a)   because the exponent of the divisor is ​ (b)   the exponent of the dividend.

• Less than 1

• greater than 1

• equal to 1

• greater than

• less than

• equal to

Tags

CCSS.8.EE.A.4

• 2.2 x 10²

• 2.2 x 10^-2

• 2.8 x 10²

• 2.8 x 10¹⁴

Tags

CCSS.8.EE.A.4

Use the expression below to answer Parts A and B. (7.8 imes10^5) div (1.2 times10^9). Part A: Complete a true statement about the expression. The quotient will be ​ ​ (a)   because the exponent of the divisor is ​ (b)   the exponent of the dividend.

• Less than 1

• greater than 1

• equal to 1

• greater than

• less than

• equal to

Tags

CCSS.8.EE.A.4

In the year 2000, the United States public debt was about 5.6 x 10¹² dollars. The population of the United States in that year was about 2.8 x 10⁸ people. What was the average debt per person?

• Multiply

• Divide

Tags

CCSS.8.EE.A.4

Part B: Find the quotient. Express your answer in scientific notation.

Mathematical Equivalence

ON

Tags

CCSS.8.EE.A.4