Question

Can someone see if i did my work correctly?

Answer 1

144x^-1?

Answer 2

8-20 is not 28

Answer 3

no

Answer 4

144x^-12?

Answer 5

yes

Answer 6

But you subtract or add yur exponents right?

Answer 7

an exponent to another exponent
you multiply them

multiplying an exponent to another like term with an exponent
you add them

in this case 8 + (-20)

Answer 8

Oh okay thanks :)

Answer 9

If a polygon has exactly 4 sides, it is a quadrilateral.
State the contrapositive of the conditional statement.

Answer 10

http://www.angelfire.com/electronic2/tyler_geometry/page2.html

Answer 11

If a number is negative, then the number is less than zero.
What is the conclusion of this statement?