Making sense of algebra

Simplify 6⁵ x 6 x 6³

• 6⁸
• 216⁸
• 6⁹
• 216⁹

Simplify 6²⁰÷ 6⁵

• 6¹⁵

• 6²⁵

• 15

Simplify (4²)³

• 0
• 4^-1
• 4⁵
• 4⁶

Simplify 4⁰

• 1
• 4
• 0

Simplify: 3x³ × 6x⁸

• 18x¹¹
• 18x²⁴
• 9x¹¹
• 9x²⁴

Simplify: 42m¹² ÷ 7m⁶

• 6m⁶
• 6m²
• 35m⁶
• 35m²

Simplify: 4x²y × 9xy²

• 36x³y³
• 36xy³
• 13x²y²
• 13x³y³

Simplify 5^-2

• -10

• 1/25

• -1/5

• 1/10

Is the following expression expanded correctly or incorrectly?:

10 (x - 5) = 10x - 50

• No, this is wrong!

• Yes, this is right!

What are the like terms in the following expression:

2x + 3 + 2y + 3x

• 2x and 2y

• 2 and 3y

• 2x and 3x

• 2x, 3, 2y, and 3x