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(4) Find the number from each of the following expanded c) 3 × 104 + 7 × 102 + 5 × 100​

Answer»

:3 × 10⁴ + 7 × 10² + 5 × 10⁰ = 3075Given:3 × 10⁴ + 7 × 10² + 5 × 10⁰Solution:Method (1) :⟾ 3 × 10⁴ + 7 × 10² + 5 × 10⁰⟾ 3 × 10⁴ + 0 × 10² + 0 + 10¹ + 5 ×10⁰ ⟾ 30,75Method (2) :⟾ 3 × 10⁴ + 7 × 10² + 5 × 10⁰⟾ 3 × 10000 + 0 × 1000 + 7 × 100 + 0 × 10 + 5 × 1 ⟾ 30, 75Hence 3 × 10⁴ + 7 × 10² + 5 × 10⁰ = 3075Explaination more :In expanded form we write the number by showing that the value of digitExpanded form is also a way to breakup the number to show that how much each DIGIT are there in numberAnd also show the value of power of 10And also way to write numbers by showing the value



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