What is 98.155 rounded to the nearest tenth

Pls! does anybody know a shortcut for answering these types of questions in the future?

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

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