What is the four deposit number
(9.78)-19x150-20

(9.78)-19x150 - 20 = -143011/50 or -2860 11/50 or -2860.22

Step-by-step explanation:

   Multiple: 19 * 150 = 2850

   Conversion a decimal number to a fraction: 9.78 = 978/100 = 489/50

   a) Write down the decimal 9.78 divided by 1: 9.78 = 9.78/1

   b) Multiply both top and bottom by 10 for every number after the decimal point. (For example, if there are two numbers after the decimal point, then use 100, if there are three then use 1000, etc.)

   9.78/1 = 97.8/10 = 978/100

   Note: 978/100 is called a decimal fraction.

   c) Simplify and reduce the fraction

   978/100 = 489 * 2/50 * 2 = 489 * 2/50 * 2 = 489/50

   Subtract: 9.78 - the result of step No. 1 = 9.78 - 2850 = 48950 - 28501 = 489/50 - 2850/1 · 501 · 50 = 48950 - 14250050 = 489 - 14250050 = -14201150

   The common denominator you can calculate as the least common multiple of the both denominators - LCM(50, 1) = 50. The fraction result cannot be further simplified by cancelling.

   In words - four hundred eighty-nine fiftieths minus two thousand eight hundred fifty = minus one hundred forty-two thousand eleven fiftieth.

   Subtract: the result of step No. 3 - 20 = -142011/50 - 20 = -142011/50 - 201 = -142011/50 - 20 · 501 · 50 = -142011/50 - 1000/50 = -1420/11 - 1000/50 = -143011/50

   The common denominator you can calculate as the least common multiple of the both denominators - LCM(50, 1) = 50. The fraction result cannot be further simplified by cancelling.

   In words - minus one hundred forty-two thousand eleven fiftieth minus twenty = minus one hundred forty-three thousand eleven fiftieth.

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step-by-step explanation:

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