3.the population of columbus, ohio, in 2014 was about 823,000. the population of the united states wasabout 319 million in 2014.(a) write each population in scientific notation.(b) about how many times larger was the population of the united states than the population ofcolumbus, ohio?

Hurry and answer this! circle x with a radius of 6 units and circle y with a radius of 2 units are shown which steps would prove the circles similar? translate the circles so they share a common center point, and dilate circle y by a scale factor of 4. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 4. translate the circles so they share a common center point, and dilate circle y by a scale factor of 3. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 3

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?