$2^{-5} \cdot 3 \cdot 2^2 \cdot 3^3\\\\=2^{-5 +2} \cdot 3^{1+3}\\\\=2^{-3} \cdot 3^4\\\\=\dfrac{3^4}{2^3}\\\\=\dfrac{81}{8}\\\\\\\text{So, the answer is C.}$

3 0

2 years ago

A man travels 600km partly by train and partly by car. If he covers 400km by train and the rest by car, it takes him 6 hours and

11Alexandr11 [23.1K]

Answer:

A man travels 600km partly by train and partly by car. If he covers 400km by train and the rest by car, it takes him 6 hours and 30 minutes. But if he travels 200 km by train and rest by car, he takes half an hour longer.find the speed of the train and that of the car

Step-by-step explanation:

4 0

4 years ago

Oh please i need help lol

drek231 [11]

Answer:

Step-by-step explanation:

Download pdf

6 0

3 years ago

Given An = 5a(n-1) where a1= 2. What are the first 4 terms

nexus9112 [7]

Answer:

2, 10, 50, 250

Step-by-step explanation:

Using the formula with a₁ = 2 , then

a₂ = 5a₁ = 5 × 2 = 10

a₃ = 5a₂ = 5 × 10 = 50

a₄ = 5a₃ = 5 × 50 = 250

The first 4 terms are 2, 10, 50, 250

8 0

3 years ago