Solve the following equation:

3 x seven tenths

There is no "equation" to solve

if you want to evaluate "3 x seven tenths"
= 3(7/10)
= 21/10 or 2.1

To solve the equation 3 x seven tenths, we need to multiply the two numbers.

First, convert the fraction "seven tenths" into decimal form. To do this, divide the numerator (7) by the denominator (10):

7 ÷ 10 = 0.7

Now, multiply 3 by 0.7:

3 x 0.7 = 2.1

Therefore, the solution to the equation 3 x seven tenths is 2.1.