Select the problems which show the correct answers.

(1.12 x 105) (6.06 x 105)
6.79 x 1010
(2 x 101)(3.0 x 101)
6.0 x 101
(2.775 x 10−4) (4.775 x 104)
1.325 x 100
5
8.14 x 102

6.14 x 10−3

a4 - 3a2 - 1

step-by-step explanation:

step   1   :

equation at the end of step   1   :

  ((a4) -   3a2) -   1

step   2   :

trying to factor by splitting the middle term

2.1     factoring   a4-3a2-1  

the first term is,   a4   its coefficient is   1 .

the middle term is,   -3a2   its coefficient is   -3 .

the last term, "the constant", is   -1  

answer: the area of the parallelogram below is 42 square meters.

- officialprodixy ☕

depends on how many days you are talking about

step-by-step explanation:

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.