Asap 100 points and 5 stars and

1. simplify the following expression: (5*2)*8

2. simplify the following expression: 3^3(-4)^2 2^6(-3)^5

3. a planet’s diameter is approximately 27,340,000 meters. what is that number
in scientific notation?

what is the product of 3.20 × 10^–5 and 6.5 × 10^3

1) 80

2) 432, -15552

3) 2.734 * 10^7

4)

Step-by-step explanation:

for 3 the other person is correct but for 4 it is .208

Step-by-step explanation:

sorry if i am wrong

no, the equation would be invalid since they are both not equal.

step-by-step explanation:

here you got

4y-6+4y 2-9

first, you would simplify the equation on the form.

4y-6+4y 2-9

then, move all the terms that contains a y to the left and all the other terms to the right.

+4y-4y+-9-6

finally, you will simplify the left and the right side of the equation.

y=-3

i dont know sorry

step-by-step explanation: