Answer:
first is 4^2 (add powers)
Second is a^(m-n) (subtract powers)
Answer:
The answer to #7 is -4
Step-by-step explanation:
-2(x-3y)
-2( (-4) - 3(-2) )
-2 (-4+6)
-2(2)
-4
C, because rounded up to the nearest tenth. 25.169 is closest to 24.
Answer:
tiles
Step-by-step explanation:
there are many ways to solve this soo...
1. convert to centimetres (there are 100 centimetres in 1 metre)
2. the square tiles area = 
2. find the large area (4.8m x 3.8m or 480cm x 380cm)

2. find the two smaller areas (1.2m x 1.8m or 120cm x 180cm)

3. add to find total area

4. find how many tiles are needed
tiles
Answer:
67
Step-by-step explanation:
To solve this question ( that is to know the number), we must interpret the statement mathematically. Let the unknown number be T then,
547% of T = 366.49
547 * T/100 = 366.49
547T = 36646
T = 36649/547
= 67
It means that 547% of 67 gives 366.49