Rational or Irrational?
Rational or Irrational? Why? 0.454545…
What is rational because it repeats?
Between which two whole numbers does √20 lie?
What is between 4 and 5?
Simplify: 2³
What is 8?
Evaluate: √225
What is 15?
Write 0.00045 in scientific notation.
What is 4.5 × 10⁻⁴?
Rational or Irrational? Why? √18
What is irrational because it is not a perfect square?
Approximate √65 to the nearest whole number.
What is 8?
Simplify: (5²)³
What is 5⁶?
Solve: x² = 81
What is x = 9 and x = -9?
Which is larger:
6 × 10⁵ or 9 × 10⁴?
What is 6 × 10⁵?
Convert 0.7 (repeating 7) to a fraction.
What is 7/9?
Order from least to greatest: √2, 1.5,π (pi)
What is √2, 1.5, π (pi)?
Simplify: 3⁴ × 3²
What is 3⁶?
Solve: x³ = -64
What is x = -4?
Multiply:
(3 × 10³)(2 × 10⁴)
What is 6 × 10⁷?
Is 0.1010010001… rational or irrational?
What is irrational?
A square has area 50 square units. Estimate the side length to the nearest tenth.
What is about 7.1 units?
Rewrite 4⁻²
What is 1/4² or 1/16?
True or false: x² = 16 has two solutions but x³ = 16 has one.
What is true?
Divide:
(8 × 10⁶) ÷ (2 × 10²)
What is 4 × 10⁴?
A student says √49 is irrational because it has a radical symbol. Is the student correct?
What is no, because √49 = 7 which is rational?
What is the square root of 1000?
What is approximately 32?
Simplify (2³ × 2⁻⁵)
What is 2⁻²?
A cube has volume 512 cubic inches.
Find the side length.
What is 8 inches?
Earth’s mass ≈ 6 × 10²⁴ kg
Moon’s mass ≈ 7.5 × 10²² kg
About how many times greater is Earth’s mass?
What is about 80 times greater?