Question

. Simplify by using suitable properties. (also state them)
a) 71 × 56 + 30 × 56 b) 135 × 52 + 135 × 46

Answer 1

Step-by-step explanation:

PEMDAS is the order of operation.

Parenthesis; Exponents; Multiply; Divide; Add; Subtract.

(a) 26 × (– 48) + (– 48) × (–36) ⇒ -1248 + 1728 = 480

(b) 8 × 53 × (–125) ⇒ 424 x -125 = -53,000

(c) 15 × (–25) × (– 4) × (–10) ⇒ 15 * -1000 = -15,000

(d) (– 41) × 102 = -4182

(e) 625 × (–35) + (– 625) × 65 ⇒ -21875 + (-40625) = -62,500

(f) 7 × (50 – 2) ⇒ 7 * 48 = 336

(g) (–17) × (–29) = 493

(h) (–57) × (–19) + 57 ⇒ 1,083 + 57

Answer 2

Answer:

A. 5656

B. 13230

Step-by-step explanation:

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