Question

Q 8. Do as directed. (1).Simplify :(3^10+3^7 ) ×3^-5​

Answer 1

Step-by-step explanation:

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Answer 2

$\small\red{\boxed{question =( 3^{10 } \div {3}^{7}) \times {3}^{ - 5} }} \\ \\ \small\orange{solution} \\ \\ \small\blue{ = ( 3^{10 } \div {3}^{7}) \times {3}^{ - 5} } \\ \\ \small\blue{ = ({3}^{10 - 7}) \times {3}^{ - 5} } \\ \\ \small\blue{ = {3}^{3} \times {3}^{ - 5} } \\ \\ \small\blue{ = {3}^{ 3 + ( - 5)} } \\ \\ \small\blue{ = {3}^{(3 - 5)} } \\ \\ \small\blue{ = {3}^{-2} } \\ \\ \small\green{\boxed{ = (\frac{1}{3} )^2=\frac{1}{9} \: \: answer}} \\ \\ \small\red {\boxed{\boxed{it's ᭄亗 乄 ＭꫝղᎥនh 乄 亗✯❤࿐}}}$