`(-105)/72 xx 18/15`

The multiplicative inverse of (-2)/7 xx (-17)/15 is ____

Find each of the following products. (-15) xx 0 xx (-18)

K_(a_1) and K_(b_1) of oxalic acid are 6 xx 10^(-2) and 7.2 xx 10^(-5) respectively. Calculate the pH of 0.06 M oxalic acid solution

A barometer contains two uniform capillaries of radii 1.44 xx 10^(-3) m and 7.2 xx 10^(-4) If the height of liquid in narrow tube is 0.2m more than that in wide tube, the true pressure difference is computed to be P xx 310 N//m^2 Density of liquid = 10^3 kg//m^3 , surface tension = 72 xx 10^(-3) N/m and g= 9.8m//s^2 Find P.

Find the each of the product: (-15)xx0xx(-18)=

Solve the following : 10.05 xx 1.05

18/11 xx (-33)/45

Find 2.0 xx 1.5

10.05 xx 1.05 =_________