WORK OUT (810^-3)(2*10^-4)

2 answers:

6 0

(8 x 10^-3) x (2 x 10^-4)

10^-3 = 1/10^3, which is equal to 1/1000

10^-4 = 1/10^4, which is equal to 1/10000

8 x 1/1000 = 8/1000

2 x 1/10000 = 2/10000

(I’m turning these into decimals because it’s easier lol)

0.008 x 0.0002 = 0.0000016

In scientific notation, it is 16 x 10^-7

Hope this helped!

frutty [35]2 years ago

4 0

-First we have to work out what’s in parenthesis.
(8*10^-3)=(8*0.001)=0.008

-This is for the second parenthesis
(2*10^-4)=(2*0.0001)=0.0002

-Now we multiply them together

ANSWER: 0.0000016

You might be interested in

Hakeem puts $53 from each paycheck into his savings account. He gets paid every two weeks or 26 times per year. His goal is to s

garik1379 [7]

Step-by-step explanation:

53×26=1378. hence if hakeem saves $1300 he still has about $78.

6 0

1 year ago

How do you solve division easly

nlexa [21]

Answer:

division involves 5 steps:

D Divide

M Multiply

S Subtract

B Bring down

R Repeat or Remainder

Step-by-step explanation: i hope it helped

4 0

2 years ago

Solve the equation 2cosA = 3tanA

zavuch27 [327]

$\bf sin^2(\theta)+cos^2(\theta)=1\implies cos^2(\theta)=1-sin^2(\theta)
\\\\\\
tan(\theta)=\cfrac{sin(\theta)}{cos(\theta)}\\\\
-----------------------------\\\\

2cos(A)=3tan(A)\implies 2cos(A)=3\cfrac{sin(A)}{cos(A)}
\\\\\\
2cos^2(A)=3sin(A)\implies 2[1-sin^2(A)]=3sin(A)
\\\\\\
2-2sin^2(A)=3sin(A)\implies 2sin^2(A)+3sin(A)-2$

$\bf \\\\\\
0=[2sin(A)-1][sin(A)+2]\implies 
\begin{cases}
0=2sin(A)-1\\
1=2sin(A)\\
\frac{1}{2}=sin(A)\\\\
sin^{-1}\left( \frac{1}{2} \right)=\measuredangle A\\\\
\frac{\pi }{6},\frac{5\pi }{6}\\
----------\\
0=sin(A)+2\\
-2=sin(A)
\end{cases}$

now, as far as the second case....well, sine of anything is within the range of -1 or 1, so -1 < sin(A) < 1

now, we have -2 = sin(A), which simply is out of range for a valid sine, so there's no angle with such sine

so, only the first case are the valid angles for A

8 0

2 years ago

Whats bigger 7/12 or 3/4

inessss [21]

3/4 will be the bigger value of the two

8 0

2 years ago

Read 2 more answers

Easy cumulative frequency help

nikklg [1K]

Answer:

add the next frequency

Step-by-step explanation:

listen in ur class

3 0

2 years ago

WORK OUT (8*10^-3)*(2*10^-4)

WORK OUT (810^-3)(2*10^-4)