Answer:
9.
Step-by-step explanation:
The highest power is 3*3 = 9, so it's 9.
Answer:
19
Step-by-step explanation:
51-(16)x2
16x2=32
51-32=19
Answer:
178m squared
Step-by-step explanation:
make 3 rectangular shapes
shape 1 ) 18×5=90
shape 2) 13×6= 78
shape 3) 5×2=10
Add up all the answers and that's the ans
90+78+10=178
You would find the sign if the signs are not the same if you are dividing or multiplying its negitve if its the same its positive