A1 7.2 Multiplying Powers with Same Base

According to exponent rules, when we multiply powers with the same base we _______ the exponents.

• Multiply

• Add

• Divide

• Subtract

Tags

CCSS.HSA.APR.A.1

Rewrite the expression as a power.
 (2⁴)(2⁵)

• 2²⁰
• 4⁹
• 4²⁰
• 2⁹

Tags

CCSS.HSA.APR.A.1

Simplify the expression.
x⁴ (x¹²)

• x³
• x⁴⁸
• x¹⁶
• x⁸

Tags

CCSS.HSA.APR.A.1

Simplify the expression. 
(6x²)(-3x⁵)

• 18x⁷
• -18x⁷
• -9x⁷
• 3x⁷

Tags

CCSS.HSA.APR.A.1

Simplify 3x³y * 2x⁸y⁵

• 5x¹¹y⁶
• 6x¹¹y⁶
• 6x²⁴y⁵
• 3x¹¹2y⁵

Tags

CCSS.HSA.APR.A.1

Simplify  - (-5m⁴ * 5m²)⁰

• 25m⁶
• -25m⁶
• -1
• 1

Tags

CCSS.8.EE.A.1

Write each answer in scientific notation.
     The population of a country in 1950 was      6.2 × 10⁷. The population in 2030 is projected to be 3 × 10² times the 1950 population. If the projection is correct,what will the population of the country be in 2030?

• 1.86 × 10¹⁰
• 1.86 × 10¹⁴
• 18.9 × 10⁹
• 1.88 × 10¹⁴

Tags

CCSS.8.EE.A.4

Simplify
(8yz)(-8y²z³)

• 64y³ z⁴
• -64y¹z⁴
• y³z⁴
• -64y³z⁴

Tags

CCSS.HSA.APR.A.1

Simplify:  (-5b³)(-3b⁶)

• -15b^-3
• 15b³
• 15b⁹
• -15b⁹

Tags

CCSS.8.EE.A.1

Simplify:  (t³)(t⁶)(t⁹)

• t⁶
• t¹²
• 1/t¹⁸
• t¹⁸

Tags

CCSS.8.EE.A.1