If 5- 9-144-7- 8-151-4- 6-102- then 2- 5-

The correct option is A 73The rule is #160; a× b=( 5+9 ) ( b a ) #160; ∴ 2× 5=( 2+5 ) ( 5 2 ) =73 ...

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Multiplication of Integers

If 5× 9=144...

Question

If $5 \times 9 = 144; 7 \times 8 = 151; 4 \times 6 = 102$ , then $2 \times 5$ =?

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5 \times 9 = 144; 7 \times 8 = 151 : 4 \times 6 = 102,

2 \times 5 = ?

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x = \sqrt{\frac{5 + 2 \sqrt{6}}{5 - 2 \sqrt{6}}}, then x^{2} (x - 10)^{2} =

1) +1-2+3-4+5-6+7-8+9-10

2) -931-723+941-265

Find the number from each of the following expanded forms:

(a) 8 × 10⁴ + 6 × 10³ + 0 × 10² + 4 × 10¹ + 5 × 10⁰

(b) 4 × 10⁵+ 5 × 10³+ 3 × 10²+ 2 × 10⁰

(d) 9 × 10⁵ + 2 × 10² + 3 × 10¹

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