No, it does not. 65-(45-20) is equal to 40, because you subtract 45-20 before because of the parentheses. When you do that, you get 25 then subtract 65-25, then get 40. Then, if you subtract 65-45 first and get 25, then subtract 25-20, you'll get 5.
1 x 106 is the scientific notation
Answer:
X=99
Step-by-step explanation:
1 KG =2.2046 pound
45 KG = x
X=45* 2.2046=99.207
Answer:
Step-by-step explanation:
sin 52 cos 13-cos 52 sin 13=sin (52-13)=sin 39