Answer:
5:2
Step-by-step explanation:
divide both numbers by 7
hope this helps...
Swapping rows alters the sign of the determinant:

Multiplying a single row by a scalar scales the determinant by the same amount:

Then

Since its to the tenth power and the exponent is negative all you have to do is move the decimal point two positions back and your new answer is 0.382
Answer:
2&7
Step-by-step explanation: