Question

Express with positive index ${\left(\frac{4}{9}\right)}^6\times {\left(\frac{4}{9}\right)}^{-4}$

• A. $(4/9{)}^2$
• B. $(4/8{)}^2$
• C. $(4/19{)}^2$
• D. $(14/9{)}^2$

Answer 1

Answer: (A)

$(4/9{)}^2$

${\left(\frac{4}{9}\right)}^6\times {\left(\frac{4}{9}\right)}^{-4}$
$=(\frac{4}{9}{)}^{6-4}$
$=(\frac{4}{9}{)}^2$