[tex]2) \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \frac{2 \times {( {5}^{3}) }^{3} \times { 9}^{4} \times {4}^{2} }{ {10}^{7} \times {3}^{6} } = \frac{2 \times {5}^{9} \times {( {3}^{2} )}^{4} \times {( {2}^{2}) }^{2} }{ {2}^{7} \times {5}^{7} \times {3}^{6} } = \\ = \frac{2 \times {5}^{9} \times {3}^{8} \times {2}^{4} }{ {2}^{7} \times {5}^{7} \times {3}^{6} } = \frac{ {5}^{9} \times {3}^{8} \times {2}^{5} }{ {2}^{7} \times {5}^{7} \times {3}^{6} } = \\ = \frac{ {5}^{2} \times {3}^{2} }{ {2}^{2} } = \frac{25 \times 9}{4} = \frac{225}{4} = 56.25[/tex]
4)
((6³)³•9²•(5²)²)/(1000•18⁷)=(6⁹•3²•3²•5⁴)/(125•8•9⁷•2⁷)=(2⁹•3⁹•3⁴•5⁴)/(5³•8³•(3²)⁷•2⁷=(2⁹•3¹³•5⁴)/(5³•8³•3⁹•2⁷)=(2²•3⁴•5)/8³=(2²•3⁴•5)/(2³)³=(2²•3⁴•5)/2⁹=(3⁴•5)/2⁷=(81•5)/128=405/128=3 21/128
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
[tex]2) \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \frac{2 \times {( {5}^{3}) }^{3} \times { 9}^{4} \times {4}^{2} }{ {10}^{7} \times {3}^{6} } = \frac{2 \times {5}^{9} \times {( {3}^{2} )}^{4} \times {( {2}^{2}) }^{2} }{ {2}^{7} \times {5}^{7} \times {3}^{6} } = \\ = \frac{2 \times {5}^{9} \times {3}^{8} \times {2}^{4} }{ {2}^{7} \times {5}^{7} \times {3}^{6} } = \frac{ {5}^{9} \times {3}^{8} \times {2}^{5} }{ {2}^{7} \times {5}^{7} \times {3}^{6} } = \\ = \frac{ {5}^{2} \times {3}^{2} }{ {2}^{2} } = \frac{25 \times 9}{4} = \frac{225}{4} = 56.25[/tex]
4)
((6³)³•9²•(5²)²)/(1000•18⁷)=(6⁹•3²•3²•5⁴)/(125•8•9⁷•2⁷)=(2⁹•3⁹•3⁴•5⁴)/(5³•8³•(3²)⁷•2⁷=(2⁹•3¹³•5⁴)/(5³•8³•3⁹•2⁷)=(2²•3⁴•5)/8³=(2²•3⁴•5)/(2³)³=(2²•3⁴•5)/2⁹=(3⁴•5)/2⁷=(81•5)/128=405/128=3 21/128