Answer:
27 after 81 is 243
Step-by-step explanation:
The pattern is that you multiply 3 each time.
12%
40% = 0.4
30 = 0.3
0.3 x 0.4 = 0.12
0.12 = 12%
Answer:
1) Already in scientific notation
2) 2 x 10^5
3) 3 x 10^5
4) 1.5 x 10^5
Answer :x+3x-4= total # of coins
4x-4= total # of coins
Step-by-step explanation: