The scientist who suggested that energy can be created under certain conditions was
a. newton.
b. einstein.
c. wright.
d. pascal.

The scientist who suggested that energy can be created under certain conditions was Pascal. The answer is letter D. Pascal focuses more on the hydraulics of the system especially the effects of pressure in them. Pascal is also a unit of force.

1 the 4 is sig

the old price per ounce is c/4.

the new price per ounce is c/3.6.

the ratio of the old price to the new one is

(c/4)/(c/3.6) = (c/c)×(3.6/4) = 0.9 . . = 9/10 . . "nine tenths" in either form