HELP! PASSED DUE SAME WORKSHEET 21) 8.4 times 10 to the power of 1
23) 9.1 times 10 to the power of 3
25) 7.9 times 10 to the power of 4
27) 2.9 times 10 to the power of 2
29) 8 times 10 to the power of 3
31)5.29 times 10 to the power of 5

Which of the following expressions is equal to 2x^2+8

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no

Ellie spent $88.79 at the computer stote. she had $44.50 left to buy a cool hat. how much money did she originally have? write and solve an equation to answer the question.