Question

3⋅(-4)= -7⋅(-0,3) = −6,3⋅(−1/25)= −0,9⋅(−6 1/9)=

Answer 1

3*(-4)=-12

-7*(-0,3)=2,1

-6,3*(-0,25)=1,575

-0,9*(55/9)=$\frac{9}{10} *\frac{55}{9} =5,5$

Answer 2

Let's calculate each of these expressions step by step:

1. $3 \cdot (-4) = -12$
2. $-7 \cdot (-0.3) = 2.1$
3. $-6.3 \cdot \left(-\frac{1}{25}\right) = 0.252$
4. $-0.9 \cdot \left(-6 \frac{1}{9}\right) \approx 5.45$ (approximately, rounded to two decimal places)

So, the results are:

1. $3 \cdot (-4) = -12$
2. $-7 \cdot (-0.3) = 2.1$
3. $-6.3 \cdot \left(-\frac{1}{25}\right) = 0.252$
4. $-0.9 \cdot \left(-6 \frac{1}{9}\right) \approx 5.45$