3 years ago

What is 8a^3b^-2 when a=4 and b=-5

Mathematics

2 answers:

Softa [21]3 years ago

7 0

8(4)^3=512 5^-2= 1/25

tiny-mole [99]3 years ago

5 0

8a $a^{3} +3b-2$
= 8x $4^{3} -3x(-5)-2$
= 64x8+15-2
=192+13
205

You might be interested in

Math order of operations

Novosadov [1.4K]

Answer:

Step-by-step explanation:

6 0

3 years ago

Brainliest to right answer!<br><br> 3/7r + ⅝s when r = 14 and s = 8.

yanalaym [24]

Answer:

3/7r + 5/8s = 11

Step-by-step explanation:

r = 14

s = 8

3/7r + 5/8s = ?

3/7 (14) + 5/8 (8) = ?

3 x 2 + 5 = ?

6 + 5 = 11

4 0

2 years ago

Jermaine’s father owes $6,300 in interest at the end of a 60-month car loan at a 7% simple annual interest rate. What was the or

Sever21 [200]

I = Prt
6300 = P * .07 * (60/12)
6300 = .35P
6300 / .35 = P
18000 = P

$18,000 is the answer you are looking for! I hope this helps! :D

6 0

3 years ago

Read 2 more answers

Plz help... <br><br> ANSWERS ONLY!

tekilochka [14]

Answer:

1. 7 > 4 1/2 I'm only gonna do page one cause it's easy

2. 16 > 0

3. 3 1/2 < 5 1/2

Step-by-step explanation:

8 0

2 years ago

Seventh grade > L.8 Solve percent equations: word problems JS6

ladessa [460]

30% diet and 10 regular not shoreee

4 0

2 years ago