Answer:
first method
<u>2</u><u>2</u>=<u>5</u>
7. x
we cross multiply to get
<u>2</u><u>2</u><u>x</u>= <u>5</u><u>×</u><u>7</u>
22. 22.
x= <u>3</u><u>5</u>
22
=1.59
second method
<u>2</u><u>2</u>=<u>5</u>
7. x
we multiply the denominators to get 7x
then we multiply each term by 7x
7x×<u>2</u><u>2</u> = <u>5</u>×7x
7. x
here the 7 and 7 will cancel out and the x and x will cancel out to get
<u>2</u><u>2</u><u>x</u>= <u>3</u><u>5</u>
22. 22
= 1.59
Answer:
<h3>No it is not in scientific notation</h3>
Step-by-step explanation:
The standard form of a scientific notation is expressed as:
A * 10^n where;
A is any number from between 1 and 10
Given the expression 33.4 × 10^ − 2
Comparing with the general formula, you will see that A = 33.2
Since the value of A does not fall between 1 and 10, hence the expression 33.4 × 10^-2 is not a scientific notation
<em></em>
Answer:
3.38
Step-by-step explanation:
x + y + z = 16.9
x = 2y
y = z
y=y
2y (x) + y(y) + y(z) = 16.0
5y = 16.9
y = 3.38
Answer:
rate of exchange is -2/-2
