How do you write 0.0810 in scientific notation?

8.1 * 10^-2

Step-by-step explanation:

Scientific notation is a number with it's largest digit in the one's place and its succeeding digits following it as decimals, then multiplied by a power of ten.

Appling this knowledge to the given number, we can conclude:

0.0810

= 0.081

= 8.1 * (1/10) * (1/10)

=  8.1 * 10^-1 * 10^-1

=9.1 * 10^-2

answer: i don't understand it

step-by-step explanation: sorry

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.