If you wrote 0.0009763 as a single digit times a power of ten , would the exponent be positive or negative? (The options or in the picture)

Question 3 of 30 paul buys fruit to make smoothies. he buys 3.78 pounds of apples, 2.12 pounds of peaches, and 4.45 pounds of oranges. paul rounds each weight to the nearest tenth of a pound. about how many pounds of fruit did paul buy? (a) 10.5 pounds (b) 10.2 pounds (c) 10.4 pounds (d) 10.0 pounds 30 points

How is working backward similar to solving an equation?

Solve the equation by completing the square. x^2+2x=17