Move the decimal point 2 places to the left answer: 0.0951
Answer:
Step-by-step explanation:
Using sine rule
SinA/a = SinB/b = SinC/c
A = 84° a = BC, C = 51°, c = 16
Sin84/BC = Sin51/16
Cross multiply
BC Sin51 = 16 × Sin84
BC = 15.91/Sin51
BC = 20.48unit
Answer:
7.8*10^7
1.0 * 10^4
Now divide 7.8/1.0 and the power goes up to be subtracted
=7.8 * 10^(7-4)
= 7.8 * 10^3