Question

125*40*8*25 find the product by suitable rearrangement

Answer 1

Answer:

1,00,000

Step-by-step explanation:

125*40*8*25

(25*40)*(125*8)

100* 1000

= 10,00,000

REGARDS

Answer 2

Given:

The expression 125*40*8*25

To FInd:

Value of the expression using suitable arrangement.

Solution:

We know that multiplication is associative and commutative. It follows

abcd=(ab)*(cd)=(abc)*(d)=(a)*(bcd)=(ba)*dc)=(ac)*(bd)...,

i.e. neither the order nor the sequence of the operation matters.

So, we can alternate the expression (keeping operands the same) to carry out the multiplication in the most suitable way.

125*40*8*25=(125*8)*(25*40)

                    =(1000)*1000)

                    =1000000.

Hence, the value of the expression 125*40*8*25 is 1000000 found using suitable properties.