Mathematics, 10.02.2020 17:43 thruhdyjgrt

THIS IS URGENT I NEED HELP ASAP.(9x 10^-3)^2

simplify. write in scientific notation
a 8.1x10^-5
b 81x10^-4
c 81x10^-3
d 8.1x10^-6
Evaluate 1/2a^-4b^2 for a =-2 and b=4
a2
b 1/2
c3
d4
is the following statement always, never, or sometimes true?
a number raised to a negative exponent is negative?
A always
B never
C sometimes

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 17:00, demil4257

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

Answers: 2

continue

Mathematics, 21.06.2019 18:40, mia12340

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

Answers: 2

continue

Mathematics, 21.06.2019 19:10, niyah2x3

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

Answers: 3

continue

Mathematics, 21.06.2019 21:30, Caixiayang3613

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?

Answers: 1

continue

You know the right answer?

THIS IS URGENT I NEED HELP ASAP.(9x 10^-3)^2

simplify. write in scientific notation