(7.87×10⁻¹)⁻⁶ PLS ANSWER, IT'S SCIENTIFIC NOTATION AND I DON'T KNOW HOW TO DO THESE TYPES OF PROBLEMS. PLEASE ADD AN EXPLANATION ON HOW TO DO IT AS WELL

That table shows measurements (in invhes$ from cubes with different side lengths. which pairs of variables have a linear relationship? check all that apply

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.

The ideal weight of a nickel is 0.176 ounce. to check that there are 40 nickels in a roll, a bank weighs the roll and allows for an error of 0.015 ounce in total weight