Round the value 44.981 to three significant figure

45.0

Step-by-step explanation:

44.981 = 45.0 (to 3 s.f.)

*important point to note: the 0 must be included as the question asked for 3 significant figures. In this case, 0 is significant.

I hope this helps :)

11.2

step-by-step explanation:

when doing tangent the tangent of the angle is equal to the opposite side from the angle over the adjacent side to the angle.

tan43 = x / 12

move 12 over by multiplying each side by 12

12tan43 = x

x = about 11.2