can someone help please ans show me the correct math steps

Please complete with pen or pencil and write your name on the top of the paper. No need to rewrite the questions, but please number them. 1. Write 2023 in scientific notation. 2. Write 0.00091 in scientific notation. 3. Write 6.710105 in standard notation. (Underlining is required! Underlining was taught in class but not in the text.) 4. Write 6.71105 in standard notation. 5. Calculate 111123 with correct significant figures. 6. Calculate 116.8106.8 with correct significant figures. 7. Convert 678Ms to s. seseconds M= mega 8. Convert 99.1cm to mm. 9. Convert 6.77m/s to ft/min. 10. Your apartment is 1111ft2. Convert to in2 and then to cm2 and then to m2. 11. A snail has a mass of 11.09g and has a volume of 12.99mL. What is the density of the snail? 12. The density of an alloy is 14.55g/cm3. Corivert to pounds per cubic foot