(i) 3x4x(-5)
(ii) 2x(-5)X(-6)
(iii) (-5)(-8)(-3)
(iv) (-6)*6(-10)
(v) 7X(-8)x3
(vi) (-7)(-3)*4
3. Find each of the following products:
(i) (-4) (-5)(-8)(-10)
(ii) (-6)*(-5) X(-7)(-2)(-3)
(iii) (-60) (-10)x(-5) (-1)
(iv) (-30) (-20) (-5)
(v) (-3)^(-3) (-3)... 6 times
(vi) (-5)(-5)(-5) x... 5 times
(vii) (-1)^(-1)^(-1) X ... 200 times (viii) (-1) (-1) (-1) ... 171 times
4. What will be the sign of the product, if we multiply 90 negative integers and 9 positive
integers?
5. What will be the sign of the product, if we multiply 103 negative integers and 65 positive
integers?
6. Simplify:
(i) (-8)9+(-8)x7
(ii) 9X(-13) +9X(-7)
(iii) 20 (-16) +20x14
(iv) (-16) (-15)+(-16)(-5)
(v) (-11) (-15)+(-11) (-25)
(vi) 10X(-12)+5 *(-12)
(vii) (-16)^(-8) +(-4) (-8)
(viii) (-26)x72+(-26)x 28
7. Fill in the blanks:
(i) (-6) (.....) = 6
(ii) (-18)x(......) = (-18)
(iii) (-8)X(-9) = (-9)X (......)
(iv) 7X(-3) = (-3) (.....)
(v) {(-5)x3}(-6) = (......)x{3X(-6)} (vi) (-5) (......) = 0
In a class test containing 10 questions, 5 marks are awarded for every correct answer and
Ilmarks are awarded for every incorrect answer and 0 for each question not attempted.
Answers
(i) 3x4x(-5)
(ii) 2x(-5)X(-6)
(iii) (-5)(-8)(-3)
(iv) (-6)*6(-10)
(v) 7X(-8)x3
(vi) (-7)(-3)*4
3. Find each of the following products:
(i) (-4) (-5)(-8)(-10)
(ii) (-6)*(-5) X(-7)(-2)(-3)
(iii) (-60) (-10)x(-5) (-1)
(iv) (-30) (-20) (-5)
(v) (-3)^(-3) (-3)... 6 times
(vi) (-5)(-5)(-5) x... 5 times
(vii) (-1)^(-1)^(-1) X ... 200 times (viii) (-1) (-1) (-1) ... 171 times
4. What will be the sign of the product, if we multiply 90 negative integers and 9 positive
integers?
5. What will be the sign of the product, if we multiply 103 negative integers and 65 positive
integers?
6. Simplify:
(i) (-8)9+(-8)x7
(ii) 9X(-13) +9X(-7)
(iii) 20 (-16) +20x14
(iv) (-16) (-15)+(-16)(-5)
(v) (-11) (-15)+(-11) (-25)
(vi) 10X(-12)+5 *(-12)
(vii) (-16)^(-8) +(-4) (-8)
(viii) (-26)x72+(-26)x 28
7. Fill in the blanks:
(i) (-6) (.....) = 6
(ii) (-18)x(......) = (-18)
(iii) (-8)X(-9) = (-9)X (......)
(iv) 7X(-3) = (-3) (.....)
(v) {(-5)x3}(-6) = (......)x{3X(-6)} (vi) (-5) (......) = 0
In a class test containing 10 questions, 5 marks are awarded for every correct answer and
Ilmarks are awarded for every incorrect answer and 0 for each question not attempted.(i) 3x4x(-5)
(ii) 2x(-5)X(-6)
(iii) (-5)(-8)(-3)
(iv) (-6)*6(-10)
(v) 7X(-8)x3
(vi) (-7)(-3)*4
3. Find each of the following products:
(i) (-4) (-5)(-8)(-10)
(ii) (-6)*(-5) X(-7)(-2)(-3)
(iii) (-60) (-10)x(-5) (-1)
(iv) (-30) (-20) (-5)
(v) (-3)^(-3) (-3)... 6 times
(vi) (-5)(-5)(-5) x... 5 times
(vii) (-1)^(-1)^(-1) X ... 200 times (viii) (-1) (-1) (-1) ... 171 times
4. What will be the sign of the product, if we multiply 90 negative integers and 9 positive
integers?
5. What will be the sign of the product, if we multiply 103 negative integers and 65 positive
integers?
6. Simplify:
(i) (-8)9+(-8)x7
(ii) 9X(-13) +9X(-7)
(iii) 20 (-16) +20x14
(iv) (-16) (-15)+(-16)(-5)
(v) (-11) (-15)+(-11) (-25)
(vi) 10X(-12)+5 *(-12)
(vii) (-16)^(-8) +(-4) (-8)
(viii) (-26)x72+(-26)x 28
7. Fill in the blanks:
(i) (-6) (.....) = 6
(ii) (-18)x(......) = (-18)
(iii) (-8)X(-9) = (-9)X (......)
(iv) 7X(-3) = (-3) (.....)
(v) {(-5)x3}(-6) = (......)x{3X(-6)} (vi) (-5) (......) = 0
In a class test containing 10 questions, 5 marks are awarded for every correct answer and
Ilmarks are awarded for every incorrect answer and 0