Power & Exponents

Q. What is the value of x when

$81\times {\left(\frac{16}{25}\right)}^{x+2}÷{\left(\frac{3}{5}\right)}^{2x+4}=144?$

1. 1
2. -1
3. -2
4. Cannot be determined

Q. $If(1.001{)}^{1259}=3.52$

$(1.001{)}^{2062}=7.85$

$then(1.001{)}^{3321}=?$

1. 2.23
2. 4.33
3. 11.37
4. 27.64