Question

Which number is written in scientific notation?

Answer 1

Answer:

6 x 10^11

Step-by-step explanation:

6 x 10^11 = 60,000,000,000

0.2 x 10^5 = 020000, which doesnt make sense. in scientific notation, to only way for the number after the decimal when the whole number is 0 is if the exponent was negative. the correct answer is a, i took the test and got it right

Answer 2

Answer:

0.2*10^5

Step-by-step  

The first digit (0 in this case) is part of the whole number, while all other numbers are behind the decimal explanation: