Question

ASSIGNMENT-1.


1. A plane is flying at a height of 5000m above the sea level .at the particular point it is exactly above a submarine floating 1200m below the sea level what is the veridical difference between them .


2. verify.

i. a-(-b)=a+b
for a=21, b=18

3.use the sign <,>or = in the box

i. (-8)+(-4).............. (-8)-(-4)

ii. (-3)+7-(19).............15-8+(-9)

4. write down a pair of integers whose

i. sum is -7

ii. sum is 0

5. write down a pair of negative integers whose difference give 8

6. fill in the blanks to make to statements true.

i. -53+............=-53

ii. 17×...........=0

iii. (-5)+(-8)=(-8)+.................

7. Fill in the blanks according to the pattern .

i. -2, -4, -6, -8, = ............ , ............ , ............. ,

ii. 15, 10, 5, 0, =............. , .............. , ............... ,





ASSIGNMENT-2

1. Multiply

i. -35 by 0

ii. 25 by -11

iii. -28 by -1


2. find the product

i. (-30)×(-20)×(-5)

ii. (-5)×(-5)×(-5)×....5 times

iii. (-1)×(-1)×(-1)×.....200 times



3. fill in the blanks.

i. (-6)×.........=6

ii. 7×(-3)=(-3)×.................

iii. (-5)×..............=0


4. what should be the sigh of the product, if we multiply 90 negative integers and 9 positive integers.


5. fill in the blanks .

i. (-3)×...............=27
ii. 5×.................= -35

please give me answers fast.
​

Answer 1

Step-by-step explanation:

1. 5000-1200=3800
2. a-(-b)=a+b, therefore LHS=21+1839=RHS