let's take an arbitrary equation, or maybe two or three so you can see how to do it. y=2x+6 t=z^2+3z w=r^4+pi Ok, the first equation, you pick the x and put it in the equation and multiply it by 2 then add 6. If you do all this you get y. So y is really a function of x or function of x is written f(x) is the way we say this So to write the equation in function notation we write f(x)=2x+6 Same thing for the second equation z is what we put in. It is the independent variable. So t is just a function of z we write f(z)=z^2+3z Last equation is the same f(r)=r^4+pi
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32 x 52 = 225
................................................................._0.384333 using the bar notation = 0.3843(the bar should be placed above the repeated decimal. In this case, it should be above the 2nd 3 from the decimal point.
2 x 2 x 2 x 3 x 3 = 72 In exponential notation, that's 2^3 x 3^2
The way you wrote it is the standard notation. Standard notation means to write the number in its standard form. So, a number such as 150 is simply written as 150 in standard notation. The same applies to decimals.
5.6%= 0.056 in decimal0.056 = 0 + 0.05 + 0.006 (in decimal notation)