Answer:21
2122
Step-by-step explanation:
I believe it should be .3 because its rounded to the nearest tenth
X would be 90° ... every x is 90°
Answer:
D
Step-by-step explanation:
(7^-2)*(7^6)=7^-2+6
......since the base 7 is the same, when u multiply them, you should add the exponents and keep 7 as it is. That will be 7^4, which in equivalent to ans D(7^2)^2.