Question

11. Which of the following expressions is true?
A. 4^3 * 4^4 = 4^12
B. 5^2 * 5^3 > 5^5
C. 3^2 * 3^5 > 3^10
D. 5^2 * 5^4 < 5^8

12. Which of the following expressions true?
A. 2^4 * 2^3 = 2^12
B. 3^3 * 3^6 > 3^8
C. 4^2 * 4^2 > 4^4
D. 5^5 * 5^2 = 5^10

I think 11. Is D, and 12. Is B.
Can you please check my answers?

Answer 1

5⁸>5⁶✓
3⁹>3⁸✓

You picked the right option

Answer 2

Thank you

Answer 3

5^2 x 5^4 =5^8 T or F

Answer 4

4^4*4^4=4^16 T or F

Answer 5

8^3*8^2<8^4 T or F

Answer 6

what is the value of the expression 4^5/4^5

Answer 7

what is the value 4^7/4^9

Answer 8

(m^2-m-3) + (m-4)

Answer 9

nope

Answer 10

how about (7x^2-x-2

Answer 11

how about (7x^2-x-2) - (-6x^3+3)

Answer 12

Suppose you earned 7t - 1 dollars on Monday and 8t + 5 dollars on Tuesday. What were your total earnings? Simplify your answer.

Answer 13

Multiply. Write the result in the scientific notation (1.4 x 10^1)(8 x 10^4)

Answer 14

do the same thing for (2.2 x 10^-3)(4 x 10^-2)

Answer 15

simplify 8t^5 x 8t^5

Answer 16

simplify -x(7x-8)

Answer 17

simplify 3k^2(-2k^2-4k+7)

Answer 18

simplify (3k+2)(k-3)

Answer 19

simplify (-2y+5)(y+3)

Answer 20

2^3/2^3

Answer 21

4^7/4^9

Answer 22

(1.8•10^1)(7•10^5)

Answer 23

(2.2•10^-3)4•10^-2)