Idon’t understand this, would be appreciated: )

Since the numbers are "to the power", you expand it by writing out the number, multiplied with itself.

1). -5 x -5 x -5 x-5 x -5 x -5 x -5 That is -5^7 (It is multiplied by itself 7 times) =-78125

2). Same thing. 2/5 x 2/5 x 2/5 = 8/125

£450

Step-by-step explanation:

She earns £27 on the shoes every year.

27 * 10 years is 270

270 + 180 is £450

Hope it helps! :)