In 2014, there were approximately 1.75x10^9 smartphones users worldwide. If the world's population in 2014 was about 7.19x10^9, determine the approximate percentage of the worldwide population that...

mercury is 5.791 x 10^11. Earth is 1.496 x 10^10.   Speed of light is 3.0 x 10^

A color photograph taken with a 2.5 mega pixel camera is converted into digital format using 4⋅10 ?0 ?? bytes per pixel. Photographs taken with a 2.5 mega pixel camera each have 2.5⋅10...

The wavelength of an X-ray is 1 nano meter, or 10-9 m. X-rays travel at the speed of light, which is 3 X 108 meters per second. The frequency of a wave (cycles per second) is equal to the speed of...

Approximately 7.5 x 105 gallons of water flow over a waterfall each second. There are 8.6 x 104 seconds in 1 day. Enter the approximate number of gallons of water that flow over the...

Measurements show that Europe and Africa are separating from the Americas at a rate of about 1 inch per year. The continents are presently about 4000 meters apart. Assuming that the rate has remained...

I'm really not sure how to do this, especially with the (in 1 gram of water part)