for the first 2 questions 3.04 x 10^2 you would move the decimal over 2 places and 0.304 x 10^4 just move the decimal over4 places and you have your answer
Step-by-step explanation: If the ratio of dogs is 4 and there are 24 dogs then you divided 24 by 4. 24/4 is 6. Then you multiply 3 (the ratio of cats) by 6 which equals 18.