Question

Nicole is factoring 0.49t^18 – 25 by using the rule a^2 – b^2 = (a + b)(a – b). What will she use for the value of a?

0.7t^9

0.07t^9

0.49

0.7

Last one, is option A correct?

Answer 1

is it 81 or 18?

Answer 2

18

Answer 3

It must be 81
and A is correct answer

Answer 4

ok, thank you for all of your help! :D

Answer 5

Have a good day! bye.

Answer 6

18 is correct
\[\huge\rm \sqrt{t^{18}} = t^\frac{ 18 }{ 2 }\]