Question

plz help me in this

Answer 1

3rd option
smallest 2 digit -ve integer = -99

largest 2 digit +ve number is = -10

=> largest 2 digit number - smallest 2 digit number = -10-(-99) = 99-10=89
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3rd option
cause ...
2^-2 = 1/2^2 = 1/4
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hope it helps you...
☺☺

Answer 2

smallest 2 digit negative number= -99
largest 2 digit negative number =-10
on subtracting smallest from largest,

(-10)-(-99)
-10+99
89 is the answer.

2nd part

answer is c

${2}^{ - 2} = \frac{1}{ {2}^{2} } = \frac{1}{4}$