Which number is written in scientific notation?

A) 7.8 x 10^-5

B) 3.4 x 100^2

C) 0.84 x 10^6

D) - 5 x 10^-12

Question

Mathematics

Conway

25 September, 13:41

Which number is written in scientific notation?

A) 7.8 x 10^-5

B) 3.4 x 100^2

C) 0.84 x 10^6

D) - 5 x 10^-12

+3

Answers (1)

Know the Answer?

Rodney Cunningham · Answer 1

I would say A. 7.8 x 10^-5

Step-by-step explanation:

7.8 x 10^-5 can also be written as 7.8 times 10 to the negative fifth power or the exponent of negative five. But, if you solve it you would get 0.000078 as the real number.

Which number is written in scientific notation?A) 7.8 x 10^-5B) 3.4 x 100^2C) 0.84 x 10^6D) - 5 x 10^-12

Which number is written in scientific notation?

A) 7.8 x 10^-5

B) 3.4 x 100^2

C) 0.84 x 10^6

D) - 5 x 10^-12