8. (i) & (ii) tell me
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Answered by
1
Answer:
1) (100+3) (100+4)=100^2+(3+4)100+3×4
10000+700+12
10712
1) (5+0.1) (5+0.2)= 5^2+(0.1+0.2)5+0.1×0.2
25+1.5+0.02
26.52
hope you find it useful.
Answered by
1
Answer:
Hope it helps!! Mark this answer as brainliest if u found it useful and follow me for quick and accurate answers...
Step-by-step explanation:
(i) 103 × 104
= (100 + 3)(100 + 4)
= (100)^2 + (3 + 4) (100) + 3 × 4
= 10000 + 700 + 12
= 10712
(ii) 5.1 × 5.2
= (5 + 0.1) (5 + 0.2)
= (5)^2 + (0.1 + 0.2) (5) + 0.1 × 0.2
= 25 + 1.5 + 0.02
= 26.5 + 0.02
= 26.52
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