WAEC - Further Mathematics (2019 - No. 26)
Solve, correct to three significant figures, (0.3)\(^x\) = (0,5)\(^8\)
4.61
4.606
0.461
0.0130
คำอธิบาย
(0,3)\(^x\) = (0.5)\(^8\)
xlog 0,3 = 9 log 0.5
x = \(\frac{8 \log 0.5}{\log 0.3}\)
= 4.606
(0,3)\(^x\) = (0.5)\(^8\)
xlog 0,3 = 9 log 0.5
x = \(\frac{8 \log 0.5}{\log 0.3}\)
= 4.606