airasadia1200 airasadia1200

14-12-2019
Mathematics

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Will make Brainliest.
Please can anyone answer Q.4 and 5. Please hurry up. I will make Brainliest.
Maths experts need help..........

Will make Brainliest Please can anyone answer Q4 and 5 Please hurry up I will make Brainliest Maths experts need help class=

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sid2165 sid2165

14-12-2019

q4 (a): •128 can be written as 2^7
• so 2^2a-1 = 2^7
• move 1 to the other side making it 7+1 which = 8
so no 2^2a = 2^8
divide 8 by 2 which gives 4
so a=4

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