Question

a number changes from -20 to 30.What is the increase or decrease in the number?
Explain it in detail​

Answer 1

Answer:

the increase in the number is 50

Step-by-step explanation:

bcoz

yoi have to travel 20 digits from left of number to reach 0 and 30 digit from zero to reach 30

HENCE YOUR ANSWER IS 50

Answer 2

Answer:

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