Using the appropriate properties of operations of rational numbers, evaluate the following:
a) 8/9*4/5+5/6 - 9/5*8/9
b) 2/5*(-3/7) - 1/6*3/2 + 1/14*2/5
c) (-4/5)*3/7*15/16*(-14/9)

Question

Using the appropriate properties of operations of rational numbers- evaluate the following-3-7 times 14-15 times 7-12 times -30-35-

Toppr Admin · Accepted Answer

-3 - 7 -times 14 - 15 -times 7 - 12 -times - 30 - 35- - 3 - 7 -times 14 - 15- -times -7 - 12 -times - 30 - 35-On further calculation- we get- - 2 - 5 -times - 1 - 2-We get- 1 - 5-

Using the appropriate properties of operations of rational numbers, evaluate the following:
$$-3/7 \times 14/15 \times 7/12 \times (-30/35)$$.

$$-3 / 7 \times 14 / 15 \times 7 / 12 \times (- 30 / 35)$$
$$= (- 3 / 7 \times 14 / 15) \times (7 / 12 \times - 30 / 35)$$
On further calculation, we get
$$= - 2 / 5 \times - 1 / 2$$
We get,
$$= 1 / 5$$.

Using the appropriate properties of operations of rational numbers, evaluate the following:$$-3/7 \times 14/15 \times 7/12 \times (-30/35)$$.

$$-3 / 7 \times 14 / 15 \times 7 / 12 \times (- 30 / 35)$$$$= (- 3 / 7 \times 14 / 15) \times (7 / 12 \times - 30 / 35)$$On further calculation, we get$$= - 2 / 5 \times - 1 / 2$$We get,$$= 1 / 5$$.

Using the appropriate properties of operations of rational numbers, evaluate the following:
$$-3/7 \times 14/15 \times 7/12 \times (-30/35)$$.

$$-3 / 7 \times 14 / 15 \times 7 / 12 \times (- 30 / 35)$$
$$= (- 3 / 7 \times 14 / 15) \times (7 / 12 \times - 30 / 35)$$
On further calculation, we get
$$= - 2 / 5 \times - 1 / 2$$
We get,
$$= 1 / 5$$.