Expanded form of 89325 is …

$r\times r\times \mathrm{.}\mathrm{.}\mathrm{.}\mathrm{.}\times rr\backslash times\; r\backslash times....\backslash times\; r$ (7 times) = ……?

If a = 3, b = 2 then the value of $a^b+b^{a}a^b+b^a$ = ……?

If a = 3, b = 2 then $(a-b{)}^a(a-b)^a$ = ….?

The exponent of $(5ab{)}^3(5\backslash ,ab)^3$ is …

Which of the following is correct?

If $k^{15}\times k^x=k^{31}\Rightarrow xk^\{15\}\backslash times\; k^x=k^\{31\}\; \backslash Rightarrow\; x$ = ….?

$(2^2{)}^3(2^2)^3$ = ……

Which of the following is not true?

Which of the following is true?