Add 1101\(_2\),10111\(_2\) and 111\(_2\)
Evaluate \(\frac{\left(\frac{3}{8}\div\frac{1}{2}+\frac{1}{2}\right)}{\left(\frac{1}{8}\times\frac{2}{3}+\frac{1}{3}\right)}\)
Express 123456 to 3 significant figures
calculate the simple interest on N7,500 for 8 years at 5% per annum.
