Bantuuu plss

<p>1. 64000 km = ... cm</p><p>&nbsp; &nbsp; &nbsp;64000 km = 64000 × 10⁵cm = &nbsp;<strong>6.400.000.000 cm</strong></p><p>2. 45 mg = &nbsp;... kg</p><ul><li>&nbsp; &nbsp; 45 mg = 45 × 10⁻⁶kg = <strong>0,000045 kg</strong></li></ul><p><strong>&nbsp; &nbsp;&nbsp;</strong>45 mg = ... g</p><ul><li>&nbsp; &nbsp; 45 mg = 45 / 1000 g<strong> = 0, 045 g</strong></li></ul><p>3. 2000 mm + 3 dam − 100 dm= ... dm</p><ul><li>2000 mm = 2000 / 100 dm = 20 dm</li><li>3 dam = 3 x 100 dm = 300 dm</li><li>20 dm + 300 dm − 100 dm = &nbsp;<strong>220dm</strong></li></ul><p>4. 0,02 menit = ... detik</p><p>&nbsp; &nbsp; &nbsp;0,02 menit = 0,02 × 60 detik = <strong>1,2 detik</strong></p><p>5. 5 menit = ... detik</p><p>&nbsp; &nbsp; &nbsp;5 menit &nbsp;= 5 × 60 detik = <strong>300 detik</strong></p><p>6. 200 cm = ... m</p><p>&nbsp; &nbsp; &nbsp;200 cm = 200 / 100 m = <strong>2 m</strong></p><p>7. 500 cm = ... m</p><p>&nbsp; &nbsp; &nbsp; 500 cm = 500 / 100 m = <strong>5 m</strong></p><p>8. 6 m = ... cm</p><p>&nbsp; &nbsp; &nbsp;6 m = 6 × 100 cm = <strong>600 cm</strong></p><p>9. 2 m + 45 cm = ... cm</p><ul><li>2 m = 2 × 100 cm = 200 cm</li><li>200 cm + 45 cm &nbsp;= <strong>245 cm</strong></li></ul><p>10. 4 m + 32 cm = ... cm</p><ul><li>4 m = 4 × 100 cm = 400 cm</li><li>400 cm + 32 cm &nbsp;= <strong>432 cm</strong></li></ul>