Integers
(–3) × 4 × (–2)
what is 24
Convert 67,000,000 into scientific notation.
What is 6.7 x 10^7
Simplify: 3x + 5x – 2x
what is 6x
Expand: 3(x + 4)
what is 3x + 12
Multiply: (–2x)(3y)
What is -6xy
Simplify: 6 – (–4)
what is 10
Convert 0.000315 into scientific notation
what is 3.15 x 10^4
Simplify: 7y – 2y + 4y
what is 9y
Expand: –2(x – 5)
what is -2x + 10
Multiply: (4a²)(–5a)
what is -20a^3
Simplify: –3x + 7x
what is 4x
Write 5.6 × 10⁴ as a standard number.
what is 56000
Simplify: –3x² + 7x²
what is 4x²
Simplify: 2(x + 3) + 4x
what is 6x + 6
Simplify: –15x³y² ÷ 5xy
what is -3x^2y
Evaluate: –12 ÷ (–3) × (–2)
what is -8
Which is greater: 4.2 × 10³ or 4.2 × 10⁴?
what is 4.2 × 10⁴
Simplify: 5a – (3a + 4)
what is 2a - 4
Expand and simplify: –4(x – 2) + 5
what is -4x + 13
Simplify: 18a⁴b³ ÷ (–3a²b)
what is -6a^2b^2
Simplify: –2x – (3x – 5)
What is -5x + 5
Add: 2.5 × 10³ + 3.4 × 10⁴; express in scientific notation.
what is 3.65 x 10⁴
Evaluate: 3x² – 4x for x = –2
what is 20
Expand: –5(3x + 2y – 1)
What is -15x - 10y + 5
Simplify: (–3x²)(4x³)
what is -12x^5