Because without place value you might put the decimal in the wrong place and that will effect the answer big time.
Answer:
10 > 2.01
Step-by-step explanation:
Since 2.01 has a point of decimal after the # 2, it is known is a 2 so 10 should be greater than the 2.
Answer:
Step-by-step explanation:
p^2-8p-9
factor out the trinomial
(p-9)(p+1)
Therefore, she's incorrect. Because (p-1)(p+9)=p^2-p+9p-9=p^2+8p-9 and that's different from p^2-8p-9.
I rounded each number to the nearest whole number and added those.
29 + 79 + 42 = 150
If you add the original numbers you would get 149.5, which rounds to 150.
