Question 1 (Multiple Choice Worth 2 points)

Which number is not in scientific notation?

three point four times ten to the negative first power
zero point four times ten to the fifth power
one point nine eight times ten to the negative twentieth power
eight times ten to the twelfth power
Question 2 (Multiple Choice Worth 2 points)

Divide the quantity of nine point two times ten to the twenty eighth power divided by the quantity four point six times ten to the ninth power. Express the answer in scientific notation.

two times ten to the thirty−seventh power
two times ten to

Question

Question 1 (Multiple Choice Worth 2 points)

Which number is not in scientific notation?

three point four times ten to the negative first power
 zero point four times ten to the fifth power
 one point nine eight times ten to the negative twentieth power
 eight times ten to the twelfth power
Question 2 (Multiple Choice Worth 2 points)

Divide the quantity of nine point two times ten to the twenty eighth power divided by the quantity four point six times ten to the ninth power. Express the answer in scientific notation.

two times ten to the thirty−seventh power
 two times ten to

perl · Answer

scientific notation is a number between 1 and 9 inclusive , with a possible decimal 
for example 
304 = 3.04 x 10^2

anonymous · Answer

for the first question the answer is second one, 0.4 *10^5 because there is nothing in the ones place to it doesn't follow the actual rules of writing in scientific notation