Answer: 7/10.
Step-by-step explanation: To write 0.7 as a fraction, you can use the following steps:
Multiply 0.7 by 10 to get 7.0
Write 7.0 as a fraction: 7.0 = 7/1
Simplify the fraction by dividing both the numerator and the denominator by their greatest common divisor (GCD), which is 1 in this case: 7/1 = 7/1
Therefore, 0.7 can be written as a fraction in simplest form as 7/10.