Question

3(4a-6B) при а=0,2;В=-0,4

Answer 1

3(4*0,2-6*(-0,4))=3(0,8+2,4)=3*3,2=9,6

Answer 2

3(4а-6В)=3(4*0,2-6*(-0,4))=3(0,8+2,4)=3*3,2=9,6

Answer 3

To evaluate the expression 3(4a-6B) when a = 0.2 and B = -0.4, we substitute the given values into the expression and perform the calculations:

3(4 * 0.2 - 6 * (-0.4))

First, let's simplify the expression inside the parentheses:

3(0.8 + 2.4)

Now, we perform the addition inside the parentheses:

3(3.2)

Finally, we multiply 3 by 3.2:

9.6

Therefore, when a = 0.2 and B = -0.4, the expression 3(4a-6B) evaluates to 9.6.