Simplify : [{(−5)5×(−5)−10}÷25]×105 [4 MARKS]
Concept: 1 Mark Application: 3 Mark [{(−5)5×(−5)−10}÷25]×105 =[{(−5)(5−10)}÷25]×105 =[(−5)−5×2−5]×105 =[(−1)−5(5)−5×2−5]×105 =(−1)[(10)−5×105] =−1
Simplify: [2 MARKS]
25×3×42×5
Simplify: 0.005×102−5×10−1 [4 MARKS]
Simplify [2 MARKS]