How do you write 0.009 in expanded form and in word form

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12