Multiplication of a Positive Integer by a Negative Integer

Q.

Find the product, using suitable properties: $625\times \left(-35\right)+\left(-625\right)\times 65$

Q.

Find the product, using suitable properties: $26\times \left(-48\right)+\left(-48\right)\times \left(-36\right)$

Q.

Find the following product: $(-21)\times (-30)$

Q.

The product of -140 and 8 is:

1. -1120

2. -1222

3. -1000

4. -1200

Q.

Write the following using appropriate signs$‘+’$ or $‘-’$.

$25°C$ above $0°C$

Q.

What should be multiplied by (-12) in order to get 180?

1. 15

2. -15

3. 16

4. -16

Q.

$15\times 21+(-5)\times (-7)=$ ___

Q.

Every integer less than $0$ has the sign

1. $+$

2. $-$

3. $\times$

4. $÷$

Q. 12 x (-4) = ?

1. -48
2. 36
3. 48
4. -36

Q.

(-18) $\times$ 45 + (-18) $\times$ (-64) = ?

1. 342

2. -234
3. 234

4. -342