Answer:
5,750-2,480=3270
Step-by-step explanation:
5,750-2,480=3270
If f (x) =- 4x2 +15, then f (-3) = -21
Answer:
3.6, 3.60
Step-by-step explanation:
Equivalent decimal numbers may have different numbers of trailing zeros.
_____
<em>Comments on equivalents</em>
The number can be written in several different forms, including ...
and variations on these.
As a straight standard-form decimal number this representation (3.600) indicates it has 4 significant figures. <em>There is no other equivalent standard-form decimal number that will convey the same information regarding significant figures</em>. The form in scientific notation above will convey that information because it retains the two trailing zeros.
The mixed numbers can be considered to have a precision matching that of the fraction, but when we're concerned about the precision of the answer, we usually use a decimal or scientific notation presentation.
Answer:
1440x+720
Step-by-step explanation:
Expanding up the brackets, you get
160x+80.
Then you multiply the whole thing by 9.
9(160x+80)=
1440x+720
