4 correct to significant figures when t= 45 x 10^-3 seconds, C= 10×10^-6,R=47 x 10^-3,ohms and v= 200 V?​

b is 38 degrees.

a is 52 degrees.

this is because if b is 38 and a is 14 degrees more than b than 38+14=52 and 52+38=90 degrees. hope this .

i think 1: 2

step-by-step explanation:

6 cars because if you have 8 and subtract 2 youll have 6 left over