Question

Please solve these.. With explanation.. and neatness..chapter name --- Exponents.

~•Choose the correct answer from the given four options (11 to 18)•~

Q11. (-3/4)^5 is equal to____
a.) 81/256. b.) -81/256. c.) -243/1024. d.)243/1024

Q12. The value of (5^30 x 5^20) *division sign (5^5)^9 in the exponential form is____
a.)5^-5. b.) 5^5. c.) 5^50. d.)5^95

Q13. The law (a/b)^0= a/b^n does not hold when___
a.) a=3, b=2. b.) a= -2, b=3. c.) n=0. d.) b=0.

Q14. The value of the expression (-1)^101 x (8)^3 (a long line under the expression and then write (4)^7) is equal to_____
a.) 2. b.) -2 c.) 1/16. d.) -1/16

Q15. If 2^3 + 1^3 = 3^x, then the value of x is___
a.)0 b.) 1 c.) 2. d.)3

Q16. The standard form of 751.65 is____
a.) 7.5165 x 10^2 b.)75.165 x 10^1. c.)7.5165 x 10^4 d.) 7.51 x 10^2

Q17. The usual form of 5.658 x 10^5 is____
a.)5658. b.) 56580. c.)565800. d.)5658000.

Q18. Which of the following numbers is in standard form?
a.)26.57 x 10^4. b.) 2.657 x 10^5. c.)265.7 x 10^3 d.) 0.2657 x 10^6.

Please solve and tell with explanation.. It took 1 hr for me to write this.. would help a lot if you send the work with neatness and with explanation.. please help..urgent..​

Answer 1

Answer:

its too hard to solve

sorry

Answer 2

Answer:

Hope it helps you.

Pls make my answer brainliest