8.6 × 10⁴ - What is 86000 in standard form?, 7.2 × 10⁻⁴ - Which is the correct standard form of 0.00072?, 730000 - What is the value of (7 × 10⁵) + (3 × 10⁴)?, 5.4 × 10⁵ - Convert 540000 to standard form, Subtract 1 from both sides - Which step is correct when solving 8x + 1 = 5?, x = 2 - What is the solution to 5x − 3 = 7?, 3n + 1 - Find the nth term of the sequence: 4, 7, 10, 13..., 18 - What is the 5th term of the sequence 4n − 2?, 50° - What angle is shown if the protractor points to the first large number after 40?, Acute - What type of angle is 75°?, 6a - What is the correct simplification of 6a − 3a + 5a − 2a?, Add step labels and show subtracting 1 - How can this working be improved: 8x + 1 = 5 becomes 8x = 4 then x = 2?, It helps avoid calculation errors - Why use neat columns in working?, 1, 2, 3, 5, 6, 10, 15, 30 - Which is the correct list of all factors of 30?, Decimal not moved correctly - What mistake is made when writing 0.00072 as 9.3 × 10⁻⁵?, 136 - What is 85% of 160?, 30/36 - Which fraction is equivalent to 5/6?, x = 5 - Solve for x: 3x − 4 = 11, x = 7 - Which value of x satisfies the equation 2x + 7 = 21?, 15 - What is the 6th term of the sequence with nth term 2n + 3?,

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