A certain freezing process requires that room temperature be lowered from 40°C at the rate of 5°C every hour. What will be the room temperature 10 hours after the process begins? Solution From the given data we get to know that Initial temperature = 40°C Change in temperature per hour = −5°C Change in... View Article
Find the product, using suitable properties: (-57) × (-19) + 57 (–57) × (–19) + 57 Solution:- The given equation is in the form of the Distributive law of Multiplication over Addition. = a... View Article
Find the product, using suitable properties: (-17) × (-29) (–17) × (–29) Solution:- The given equation is in the form of the Distributive law of Multiplication over Addition. = a... View Article
Find the product, using suitable properties: 7 × (50 – 2) 7 × (50 – 2) Solution:- The given equation is in the form of Distributive law of Multiplication over Subtraction. = a × (b... View Article
Find the product, using suitable properties: 625 × (-35) + (- 625) × 65 625 × (–35) + (– 625) × 65 Solution:- The given equation is in the form of the Distributive law of Multiplication over... View Article
Find the product, using suitable properties: (- 41) × 102 (– 41) × 102 Solution:- The given equation is in the form of the Distributive law of Multiplication over Addition. = a × (b... View Article
Find the product, using suitable properties: 15 × (-25) × (- 4) × (-10) 15 × (–25) × (– 4) × (–10) Solution:- The given equation is in the form of the Commutative law of... View Article
Find the product, using suitable properties: 8 × 53 × (-125) 8 × 53 × (–125) Solution:- The given equation is in the form of the Commutative law of Multiplication. = a × b =... View Article
Find the product, using suitable properties: 26 × (- 48) + (- 48) × (-36) 26 × (– 48) + (– 48) × (–36) Solution:- The given equation is in the form of the Distributive Law of... View Article
Determine the integer whose product with (-1) is (a) -22 (b) 37 (c) 0 Solution On multiplying -22 with (-1), we get = -22 × (-1) = 22 O multiplication of an integer -22 with -1, then we get the additive... View Article
Verify the following: (-21) × [(- 4) + (- 6)] = [(-21) × (- 4)] + [(-21) × (- 6)] Solution From the given data On considering the Left Hand Side (LHS) first = (–21) × [(– 4) + (– 6)] = (-21) ×... View Article
Verify the following: 18 × [7 + (-3)] = [18 × 7] + [18 × (-3)] Solution From the given data On considering the Left Hand Side (LHS) first = 18 × [7 + (–3)] = 18 × [7 – 3] = 18... View Article
Find the following product: (-3) × (-6) × (-2) × (-1) Solution [(–3) × (–6)] × [(–2) × (–1)] By the rule of Multiplication of integers, =... View Article
Find the following product: (-1) × (-2) × (-3) × 4 Solution [(–1) × (–2)] × [(–3) × 4] By the rule of Multiplication of integers, = [(–1) ×... View Article
Find the following product: (-18) × (-5) × (- 4) Solution (-18) × (-5) × (-4) By the rule of Multiplication of integers, = (-18) × (-5) × (-4) First multiply the two... View Article
Find the following product: 9 × (-3) × (- 6) Solution 9 × (-3) × (-6) By the rule of Multiplication of integers, = 9 × (-3) × (-6) First multiply the two... View Article
Find the following product: (-12) × (-11) × (10) Solution (–12) × (-11) × (10) By the rule of Multiplication of integers, = (–12) × (-11) × (10)... View Article
Find the following product: (-15) × 0 × (-18) Solution (–15) × 0 × (–18) By the rule of Multiplication of integers, = (–15) × 0 × (–18) = 0... View Article
Find the following product: (-316) × (-1) Solution (-316) × (-1) By the rule of Multiplication of integers, = (-316) × (-1) = 316 … [∵ (- × – = +)]... View Article
Find the following product: (-21) × (-30) Solution (-21) × (-30) By the rule of Multiplication of integers, = (-21) × (-30) = 630 … [∵ (- × – = +)]... View Article