All categories

3 years ago

Explain with example of why 2^(-8) * 2^(-7) is equal to 2^(-15)

Mathematics

1 answer:

tatyana61 [14]3 years ago

4 0

(-8)*(-7)=(-15)

the 2 in the beginning stays the same, and you multiply what’s in the parentheses to get (-15)

You might be interested in

A survey of 2,000 doctor showed that an average of 3 out of 5 doctor use brand x aspirin. How many doctor use brand x asprin

choli [55]

3:5...added = 8

3/8(2000) = 6000/8 = 750 use brand x aspirin <===
5/8(2000) = 10000/8 = 1250 do not use brand x aspirin

4 0

4 years ago

Read 2 more answers

10x - 77 =7y solve for y

lutik1710 [3]

You have to get y by itself. Divide by 7 on both sides to get 1.43x-11=y. Hope this helps! ;)

5 0

3 years ago

Read 2 more answers

Use distributive property to create an equivalent expression to 7x+56

Alexeev081 [22]

The answer should be 7(x+8)

6 0

4 years ago

Find the Surface Area. 18m2 20m2 16m2 15m2

Levart [38]

Answer:

20 meters square

Step-by-step explanation:

Surface Area of this square based pyramid = A = base area + 4* (face area)

A = (2 *2) + 4* ( (1/2)*2 * 4) )

A = 4 + 4*(4)

A = 4 + 16 = 20

A = 20 square meters

6 0

3 years ago

What is the area? 20 in 25 in square inches

slava [35]

Answer:

250 in sq

Step-by-step explanation:

Here's the solution

=> Base = 25in

=> Height = 20in

=>We need to find out area of traingle

=> Area of traingle = 1/2*base *height

=> Area = 1/2*20*25

=> Area= 250 in sq

hope it helps. ^_^

7 0

3 years ago

Read 2 more answers