Question

guys plz help me with my question

plz give full method with explanation

i will mark you brainliast

don't spam
plz answer all​

Answer 1

Step-by-step explanation:

Q-5. (4/5)³×( 4/5)⁴ = (4/5)^2n-1

(4/5)^3+4 = (4/5)^2n-1

(4/5)^7 = (4/5)^2n-1

therefore, 7 = 2n-1

2n-1 =7

2n = 7+1

2n = 8

n = 8/2

n = 4

Q-6. 9.4 × 15.68

147.392

Q-7. 0.9559÷1.21

9559/10000 ÷ 121/100

9559/10000 × 100/121

9559/100 ×1/121

79/100

0.79

please mark me as brainliest