Question

EXERCISE 1(A)
1. Evaluate
0 427 x 8 + 2 x 427 @ 394 x 12 +394 * (-2) 66827 +355
2. Evaluate
0 673 x 9 +673
0) 1925 101 - 1925
3. Venly:
0) 37 (8 + (-3)) 37 x 8 + 37*(-3)
) (-82) * ((-4) 19) = (-82) (-4) + (-82) 19
() (7-(-7) 7=7x7 -(-7) 7
ov) ((-15) - 8) -6=(-16) (-6) - 8x (-6)
4. Evaluate :
0 16x8
(0) 16 (-8)
(ii) (-15) 8
(iv) (-16) * - 8
5. Evaluate :
( 4x6 x 8
(1) 4x6x (-6)
(iv) (4) x6xB
(vii) (-4) 6 (-8)
6. Evaluate
(1) 2x4x6x8
() 2(-4) 6x8
(iv) (-2) (-4) 6 (-8)
7. Determine the integer whose product with '-1' is:
0 -47
() 63
(ili) -1
(v) 0
6. Eighteen integers are multiplied together. What will be the sign of their product:
0) 16 of them are negative and 3 are positive ?
(1) 12 of them are negative and 6 are positive?
Co 9 of them are positive and the remaining are negative?
(v) all are negative?
9. Find which is greater?
(1) (6 + 10 x 1508 + 10 x 15 00) 12 (6-8) or 126-8
06) ((-3) -4) (-5) or (-3) - 4x(6)
10. State, true or false
0 product of two different integers can be zero.
6) product of 120 negative integers and 121 positive integer is negative
O axth = axbo
(v) b-xa-b-exa
C MATHEMATICS de Sa-7​

Answer 1

Answer:

Which class are you reading in .