All categories

3 years ago

I ready scientific notation help

Mathematics

1 answer:

Airida [17]3 years ago

4 0

The required value is $2\times10^9$

Step-by-step explanation:

Weight of ants = $4\times10^{-3}$

Weight of elephant= $8\times10^6$

We need to find, the total weight of about how many ants equals to the weight of an oversized elephant.

The equation given is:

$4\times10^{-3} \times a = 8\times10^6$

We need to find a:

Solving:

$4\times10^{-3} \times a = 8\times10^6\\a=\frac{8\times10^6}{4\times10^{-3}}\\if \,\,10^a/10^-b \,\,then\,\, 10^{a+b}\\a=2\times10^{6+3} \\a=2\times10^9$

So, the required value is $2\times10^9$

Keywords: Scientific Notation

Learn more about Scientific Notation at:

#learnwithBrainly

You might be interested in

How to tell when to use sin, cos or tan

lions [1.4K]

Answer:

Step-by-step explanation:

Keep in mind that these three trig functions can be interpreted as being the ratios of the side lengths of a triangle:

opposite side

sin x = ----------------------

hypotenuse

adjacent side

cos x = ----------------------

hypotenuse

opposite side

tan x = ----------------------

adjacent side

In the case where you have a right triangle and know the lengths of two of its three sides, that knowledge dictates which of the above trig functions to use in "solving the triangle."

------------------------------------------------------------------------------------------------------------

If, for example, the "opposite side" of a triangle is 3 and the "hypotenuse" is 5, we'd choose to use the sine function to find the angle opposite the "opposite side:"

opposite side 3 units

sin x = ---------------------- = -------------

hypotenuse 5 units

Find x by using the inverse sine function:

Angle x = arcsin 3/5 = 0.644 radians or 36.9 degrees.

3 0

3 years ago

Angela borrowed $1,500. She will Pay back this amount in 12 equal and payments. What is the amount of each payment Angela will m

lana [24]

Answer:

$120

Step-by-step explanation:

She borrowed$1500 and has to pay 12equal.

To Know the amount paid each,it will be$1500/12

And the answer is$125

Which means she will be paying$125 each

7 0

4 years ago

Hii whats your name heehee

Roman55 [17]

Answer:

Kimberly

Step-by-step explanation:

My mother gave me the name

5 0

2 years ago

Jason wants to walk the shortest distance to get from the parking lot to the beach. a.How far is the spot on the beach from the

lara31 [8.8K]

3 RIGHT TRIANGLES

1 big right triangle is divided into 2 smaller ones. Medium and small.

<span> a.How far is the spot on the beach from the parking lot? </span>

Medium triangle: long leg = 32 m ; short leg = x

Small triangle: long leg = x ; short leg = 18m

32/x = x/18

32*18 = x*x

576 = x²

√576 = √x²

24 = x

Parking lot to the beach is 24 meters.

<span>b. How far will he have to walk from the parking lot to get to the refreshment stand?</span>

Use Pythagorean theorem:

Medium triangle: long leg = 32 m ; short leg = 24 m ; hypotenuse = ?

32²+ 24² = c²

1024 + 576 = c²

1600 = c²

√1600 = √c²

40 m = c

Parking lot to refreshment stand is 40 meters.

5 0

4 years ago

Please help: first to answer gets 50 points

kaheart [24]

It would be perpendicular

3 0

3 years ago

Read 2 more answers