plz answer for my question friends plz plz plz it is urgent
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I have done your all questions with solutions, So it is a kind request please mark my answer as the brainliest answer.
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Step-by-step explanation:
11. ( 1/2×1/4)÷1/4
= 1/8×4 =1/2
12. here,
area=l×b
= 14cm×7cm = 98cm²
13.a⁴×3a³×4a¹⁰
= 12(a)⁴+³+¹⁰
= 12a¹⁷
14. (1/5×1/2)×1/6
= 1/10×1/6 = 1/60
15. 5x²-4y²+6y + 7x²+8y²+3y
= 12x²+4y²+9y
16. area of a ∆
= 1/2(b×h)
= 1/2(12cm×4cm)
= 48cm²/2= 24cm²
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