What is 811 in scientific notation?

8.11 * 10²

Step-by-step explanation:

Calculating scientific notation for a positive integer always follows this notation:

a *

To find a, take the number and move a decimal place to the right one position

Original number: 811

new number: 8.11

Since there are 2 decimals to the right B = 2

so the scientific notation is 8.11 * 10²

the answer will be the last one

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get