What is 0.49 written in scientific notation? 4.1109 × 10−1. 4.9×10 − 1. 4.901×10−1. 4.09×10−1

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Bring the fraction a/a-4 to a denominator of 16-a^2