One type of insect is 0.0052 meters long. What is the lenght in scientific notation
1 answer:
Answer:
5.2 ×
Step-by-step explanation:
a number in scientific notation is expressed as
a ×
where 1 ≤ a < 10 and n is an integer
write 0.0052 as a number between 1 and 10, that is 5.2
we have to the move the decimal point 3 places to the left to retain it's value
3 places left means n is - 3
0.0052 = 5.2 ×
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<h2>Answer:</h2>
<em>(Check attached images).</em>
<h2>Step-by-step explanation:</h2><h3>Exercise 1.</h3>a. Convert to decimals.
To order the numbers from least to greaters, convert them to decimals and compare.
b. Select the second least number.
-0.8.
<h3>Exercise 2.</h3>a. Convert to decimals.
b. Select the correct number.
.
a. Convert to decimals.
<em>After seeing that there are negative and positive numbers, and with the premise that negative numbers are </em><u><em>always</em></u><em> lesser than positive numbers, we'll only compare the positive numbers.</em>
<em>59%=0.59</em>
<em>3/5=0.6</em>
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b. Select the correct number.
3/5.
<h3>Exercise 4.</h3>a. Convert to decimals.
-0.35
-3.5%= -0.035
b. Conclude.
Seeing that -3.5% is less than -0.35, the symbol that makes the statement true is ">".
<h3>Exercise 5.</h3>a. Try to visually estimate b.
B appears to have a value of -0.9.
b. Convert the numbers to decimals.
-3.4%= -0.034
-0.031
-1/5= -0.2
c. Select the correct answer.
<em>Since we estimated the value of b as -0.9, the number that best adequates to its value is </em>.
a. Convert to decimals.
<em>After seeing that there are negative and positive numbers, and with the premise that negative numbers are </em><u><em>always</em></u><em> lesser than positive numbers, we'll only compare the positive numbers.</em>
5.2%= 0.052
1/7= 0.1429
b. Select the correct number.
5.2% is the second largest.
<h3>Exercise 7.</h3>a. Convert to decimals.
6/7= 0.857143
0.857
b. Select the correct answer.
Seeing that 0.857 is marked as an approximate by the
ellipsis, and considering that 6/7 is an irrational numbers, we can conclude that the number that better fits the situation and makes the statement true is "=".
<h3>Exercise 8.</h3>a. Convert to decimals.
<em>After seeing that there are negative and positive numbers, and with the premise that negative numbers are </em><u><em>always</em></u><em> lesser than positive numbers, we'll only compare the negative numbers.</em>
<em>-4.6</em>
<em />
b. Select the correct answer.
The smallest number is -4.6.