How do I write 100,000x1 \div 100000 as multiplying 10 to a power by 10 to a power?

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.