Answer:
The order in which operations should be done is abbreviated as PEMDAS
Step-by-step explanation:
The order in which operations should be done is abbreviated as PEMDAS:
Parentheses denoted by '( )'
Exponents denoted as the power of a number '^'
Multiplication denoted as product of numbers '×'
Division denoted as dividing two numbers '÷'
Addition denoted as sum of two numbers '+'
and Subtraction denoted as difference of two numbers '-'
For example,
To solve using operation order we first solve parentheses ,
Then exponents,
then, multiplication,
now, division
now addition and then subtraction,
Thus, solving using operation order we find the value as 6.
<span>Pv = nrt , for n
n = Pv/rt</span>
4x^2 + 8x + 9
I just counted them
hope this helps
Answer:
D
Step-by-step explanation:
40 fewer than the number t also means 40 less than the number t, since it's less/ fewer, you use the subtraction sign for your expression: t-40.
Hope this helped