Answer:
A
Step-by-step explanation:
6 and the square root of 9 are both rational numbers and they are being multiplied by 5 which is also rational.
Answer:
4^{10}
Step-by-step explanation:
Complete the exponents first.
4*4=16
4*4*4*4*4*4*4*4=65536
65536
*16= 1048576
The answer is 
You can also find this if you add the exponents.
The given triangle has a right angle.
We use the mnemonics SOH-CAH-TOA.
1i)
,
,
ii)
,
,
,
,
2. We want to find the hypotenuse.
We know an angle to be 23 degrees.
We were also given the side opposite to this angle to be 1200km.
Therefore we use the sine ratio.