Estimate the product by first rounding each number so that there is one nonzero digit.35 × 55

A. 240
B. 24
C. 4800
D. 2400


Answer: D

Mathematics

You might also like to view...

Find the ratio.

144 in. to 3 ft.

Mathematics

Determine whether the graph of f opens upward or downward and whether the graph is wider, narrower, or the same as the graph of  Find the axis of symmetry and the vertex. Find the y-intercept and any x-intercepts. Sketch a graph of f.f(x) = x2 - 4x - 5

What will be an ideal response?

Mathematics

Perform the indicated operation. Write the answer in proper scientific notation.(3.7 × 10-3) × (8.6 × 10-3)

A. 3.182 × 10-6 B. 3.182 × 10-7 C. 3.182 × 10-5 D. 31.82 × 10-6

Mathematics

Solve the problem.The formula D = 8e-0.6hcan be used to find the number of milligrams D of a certain drug that is in a patient's bloodstream h hours after the drug has been administered. The drug is to be administered again when the amount in the bloodstream reaches 4 milligrams. What is the time between injections?

Fill in the blank(s) with the appropriate word(s).

Mathematics