pleeeaassseeee I need help

Hello ☺️, given below will be the answers:-
• 1.1 Å = 1.1 x 10^-7 mm
• 5.38 Å = 5.38 × 10^-24 cm³
• 0.234 mg = 0.000234 kg
✍️ By Benjemin ☺️