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3 years ago

What is 2 x 10 to the -6th power?

Mathematics

2 answers:

DedPeter [7]3 years ago

5 0

Answer:

$\frac{1}{20^} ^6$

Step-by-step explanation:

Depends what you mean

if you mean 2x10^-6 it would be different than (2x10)^-6 but I'll solve for the latter.

$(2*10)^-6 = (20)^-6\\20^-6 = \frac{1}{20^6}$

1/20^6 would just be

$\frac{1}{64000000}$

White raven [17]3 years ago

3 0

Answer:

2 x 10 to the -6th power is .000002.

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Qhich are the solutions of the quadratic equation x^2=9x+6

Lera25 [3.4K]

x^2-9x-6=0

Use the quadratic formula to get (9+sqrt(105))/2 or (9-sqrt(105))/2

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3 years ago

The formula for the area of a square is s2, where s is the side length of the square. What is the area of a square with a side l

jonny [76]

Answer:

step by step

given length=6

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3 years ago

Write an expression to represent four more than the problem of three and a number z

kicyunya [14]

$Answer:$

If the "problem of 3 and a number $z$ " is multiplying: $4+(3z)$

If it's about adding: $4+(3+z)$

$Step-by-step$ $explanation:$

Scenario A: If it's 3 and z, then that means it's 3 $z$ , and we're adding 4, so it's $4+(3z)$ (make sure to put () around the 3 $z$ !)

Scenario B: If 3 and z is also 3+ $z$ , then the equation is $4+(3+z)$ (also use () on this too!)

8 0

3 years ago

What is the surface area of this design? 5 in 5 in 6.4 in 5 in 9 in

xeze [42]

ANSWER

$197 {in}^{2}$

EXPLANATION

The area of the two tra-pezoidal faces

$= 2 \times \frac{1}{2} \times (9 + 5) \times 5 = 70 {in}^{2}$

The area of the 5 by 6.4 rectangular face

$= 6.4 \times 5 = 32 {in}^{2}$

The area of the two square faces

$= 2(5 \times 5) = 50 {in}^{2}$

The area of the 9 by 5 rectangular face is

$= 9 \times 5 = 45 {in}^{2}$

The surface area of the design is:

$70 + 32 + 50 + 45=197 {in}^{2}$

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3 years ago

Jennifer bought 12 pens. Out of 12 pens, 7 are blue and the rest are red.

alexdok [17]

Answer:

The answer is 5:12

Step-by-step explanation:

It is 5:12 because We already know that 7 pens are blue. To find the number of red pens we must subtract 12 - 7 and get 5 as the number of red pens. Now knowing the no. of red pens and total number we can say the ratio of red pens to total no. is 5:12

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3 years ago