Question

if 2010 power to buy if 10 power 2 by X + 25 power 1 by X equal to 4.25 into 54 1 by X ​

Answer 1

1234(5)

53

52

51

50

1

2

3

4

1234(5) = 1 × 53 + 2 × 52 + 3 × 51 + 4 × 50

= 1 × 125 + 2 × 25 + 4 × 5 + 2 × 1

= 125 + 50 + 15 + 4

= 194

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