Question

PLS GIVE THE CORRECT ANSWER
1.a^−n= ______.

2.Convert (2/7)^-2 into positive exponent.

3.Express 0.00007 in standard form.

Answer 1

Answer:

i explain

Step-by-step explanation:

1).=1/a^n

2). 7/2^2

3) 7.10^-5