Which number is written using standard scientific notation

A. 10.29 x 10^3
B. 40 x 10^9
C. 0.1 x 10^-1
D. 2 .98 x 10^11

The answer is

D) 2.98 x 10^11

Explanation:

To be written in scientific notation, the first number or the number being multiplied by 10^# must be written like this Ex. 1.0 2.0 3.0 etc. In other words it must have one and only one digit to the left of the decimal and answer choice D is the only answer choice that meets the criteria.

what's the

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation: