Pls help!! Tell whether the number is written in scientific notation. Explain.

1.8×109

yes; The factor is greater than or equal to 1 and less than 10. The power of 10 has an integer exponent.

yes; The factor is less than or equal to 1 and less than 10. The power of 10 has an integer exponent.

no; The factor is less than 1.

no; The factor is greater than 10.

Ateacher asked his students to vote for an animal to be their class pet. five-eighteenths of the students voted for a rabbit, voted for a snake, and voted for a hamster. which statement is true? more students voted for a hamster than a snake. more students voted for a snake than a rabbit. more students voted for a rabbit than a hamster. more students voted for a snake than a hamster.

In the triangles, tr = ge and sr = fe. if = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft

Which is the graph of this function 3 square root of x plus one if