Solve the following 1) what should be the sum when the greatest two digit number is added to the smallest 3 - digit number ?

2) what is the difference between greatest 3 digit number and smallest 3 digit number ?

can anyone answer this tow question
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1) 199

2) 899

Step-by-step explanation:

1)

The 2-digit number is the number formed from unit-digit and ten-digit

∵ The greatest digit is 9

→ To form the greatest 2-digit number use 9 as ten-digit and unit-digit

∴ The greatest 2-digit number is 99

The 3-digit number is the number formed from unit-digit, ten-digit, and hundred-digit

∵ The smallest digit is 0

→ To form the smallest 3-digit number use 0 as ten-digit and unit-digit,

   we can not use 0 for the hundred-digit so use 1 as hundred-digit  

∴ The smallest 3-digit number is 100

∵ The sum of them = 99 + 100

∴ Their sum is 199

2)

→ To form the greatest 3-digit number use 9 as hundred-digit, ten-digit,

   and unit-digit

∴ The greatest 3-digit number is 999

∵ The smallest 3-digit number is 100

∵ The difference between them = 999 - 100

∴ The difference between them = 899

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step-by-step explanation:

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