Estimate the sum of 1.8 +4.008 +0.44. Round each number to the nearest tenth

Step-by-step explanation:

4.008  = 0.4 -Find the number in the tenth place  0 and look one place to the right for the rounding digit  0 . Round up if this number is greater than or equal to  5 and round down if it is less than 5 .

0.44 = 0.4 -Find the number in the tenth place  4  and look one place to the right for the rounding digit  4 . Round up if this number is greater than or equal to  5  and round down if it is less than  5 .

1.8 = 1.8 -Already rounded to the nearest tenth.

3x^3-x^2+6x-9

its 69.420

step-by-step explanation: