X is greater than or equal to 5
If he has a measuring cup that holds 1/8 and not 1/4 he just has to dip it twice.
In order to convert scientific notation to standard form, just move the decimal over however many places the exponent is. In this case you move it positively (to the right) 8 places to get 175,000,000
24 feet, 40 feet, and 56 feet this is because using the ratio given 3:5:7
you can multiply
3x8=24
5x8=40
7x8=56
This shows that it follows the ratio lastly you need to make sure the numbers add up to 120
24+40+56=120
So A is your answer can I be marked brainiest please