Answer:
3 ft.
Step-by-step explanation:
15:20 and x:4 you can cross multiply or if you reduce 15:20, the answer is 3:4
C and D
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Scientific notatino is
(number that is greater than or equal to 1 and less than 10) times (10^x)
so
318.9
we need to make it less than 10
move decimal 2 places to left
3.189
to make it the same number, we multipl it by 10^2 to make it go back
scientific is
3.189 times 10^2
In math Base is Defined as the number of digits or combination of digits that a system of counting numbers used to represent numbers a base can be any whole number greater than 0
