61 × 24.879 ÷ (14.059−6) = ?

What approximate value should come in place of question mark (?)
(Note: You are not expected to calculate the exact value)

11.304 × (6.839 − 4.331) = ?

? ÷ 26 × 17 = 7225

6³ × 2⁴ − 9² = ?

23% of 468 = ?

17^34.5 × 17^68.9 ÷ 17^27.4 = 17?