find 15 ×68; 17× 23 ; 69 ×78+ 22 ×69 using distributive property
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Answered by
189
Distributive property: a(b + c) = ab + ac
15 x 68 = 15(60 + 8)
= 900 + 120 = 1020
17 x 23 = 17(20 + 3)
= 340 + 51 = 391
69 ×78+ 22 ×69 = 69(78 + 22)
= 69(100)
= 6900
15 x 68 = 15(60 + 8)
= 900 + 120 = 1020
17 x 23 = 17(20 + 3)
= 340 + 51 = 391
69 ×78+ 22 ×69 = 69(78 + 22)
= 69(100)
= 6900
Answered by
49
Answer:
Step-by-step explanation:
Distributive property: a(b + c) = ab + ac
15 x 68 = 15(60 + 8)
= 900 + 120 = 1020
17 x 23 = 17(20 + 3)
= 340 + 51 = 391
69 ×78+ 22 ×69 = 69(78 + 22)
= 69(100)
= 6900
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