Solve 16^a = 0.25 - Education - Nairaland
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| Solve 16^a = 0.25 by Xflint(m): 11:34pm On Jun 26, 2016 |
Solve 16^a = 0.25 Remember to show workings |
| Re: Solve 16^a = 0.25 by Danosaur007(m): 11:57pm On Jun 26, 2016 |
1. 16^a=2^-2. 2. 2^4a=2^-2 3. 4a=-2 4. a=-0.5 3 Likes |
| Re: Solve 16^a = 0.25 by Jerrypolo(m): 1:34am On Jun 27, 2016 |
16^a=0.25 2⁴a=1/4(to give 0.25) 2⁴a=1/2² 2^⁴a=2¯²(2 cancel 2) 4a=–2 a=–2/4 a=–1/2// |
| Re: Solve 16^a = 0.25 by 8BitGee(m): 5:09am On Jun 27, 2016 |
Jerrypolo: -2/4 is not -1/4 mate. 1 Like |
| Re: Solve 16^a = 0.25 by Jerrypolo(m): 8:35am On Jun 27, 2016 |
8BitGee:Oh sorry..... My mistake, pardon me |
| Re: Solve 16^a = 0.25 by Xflint(m): 4:02pm On Jun 27, 2016 |
Danosaur007: mehn u tried 1 Like |
| Re: Solve 16^a = 0.25 by Xflint(m): 4:07pm On Jun 27, 2016 |
16a = 0.25 16a = 0.25/100 when 5 divides into 25 and 100 respectively we would have 16a = 1/4 16a = 4-1 42a= 4-1 divide both sides by 4 2a= -1 a=-1/2 Ans |
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