Hey there!
2^30+2^29+2^28 / 2^31+2^30+2^29
= 1,073,741,824 + 536,870,912 + 268,435,456 / 2,147,483,648 + 1,073,741,824 + 536,870,912
= 1,610,612,736 + 268,435,456 / 3,221,225,472 + 536,870,912
= 1,879,048,192 / 3,758,096,384
= 1 / 2
≈ 0.50
Therefore, your answer is: 1/2
Good luck on your assignment & enjoy your day!
~Amphitrite1040:)