Answer:
Start by laying out 7 tiles, and then adding 3. Whatever that number of tiles is equals x.
x = 10
10 - 3 = 7
Answer:
41
Step-by-step explanation:
9514 1404 393
Answer:
1/9^5
Step-by-step explanation:

_____
An exponent is an indicator of repeated multiplication. As you can see, factors in the numerator cancel those in the denominator, so the result is the difference of the exponents.
Answer:
$7.2
Step-by-step explanation:
Mike paid $18 for 5 photos
= 18/5
= 3.6
His sister wants to purchase 2 of the same album
= 2 × 3.6
= 7.2
Hence she will pay $7.2 for the two albums