evaluate the following product without multiplying directly .
1) 110 × 107
Answers
Answered by
3
⭐EVALUATION WITHOUT MULTIPLYING DIRECTLY:
* 110×107
→ (100+10) ×(100+7)
→ 100(100+7) +10(100+7)
→10000+700+1000+70
→ 10000+1000+700+70
→11770.
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. @$iDDh¡163
Answered by
2
Answer:
11770
Step-by-step explanation:
1) 110 × 107
= (100 +10 )( 100+7)
= Using the identity (x+a) (x+b) = x^2 + (a+b)x +ab
x=100 , a = 10 , b=7
By substituting
= (100) ^ 2 + (10 + 7)100 + (10)(7)
= 100 x 100 + 1700 +70
= 10000+1700+70
=11700+70
= 11770
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