Lake Superior contains 3.0 x 1015 gallons of water. How many cubic meters of water are contained in the lake? Express your final answer in scientific notation.

Rewrite the following sentences in active voice. caution: one sentence (only one) is written in active voice. do not rewrite it just label it as being active. 1). the use of copernicus's theory was forbidden by religious leaders until 1757. 2). i am puzzled by your question. 3). the girl is frightened by horror movies; she only watches chick-flicks. 4). radium and polonium were discovered by marie curie. 5. most of the town was destroyed by a tornado. 6). these flowers were planted by the 4-h club. 7). the little boy showed his mother the bruises, cuts. and bumps on his shin. 8). pluto was discovered by clyde william tombaugh in 1930 in flagstaff, arizona. 9). the painting was purchased by mr. jones. 10). the song was performed many times by kate smith. 11). england was ruled by a woman nicknamed "bloody mary" from 1553-1558. 12). the law of universal gravitation was discovered by sir isaac newton.

How many neutrons does an element have if its atomic number is 40 and its mass number is 156?

Do you think defendants should have be found guilty beyond a reasonable doubt to be convicted? or do you think a lesser burden of proof, like the preponderance of evidence in needed in civil cases, is more appropriate?