The decimal number, 0.000000000001, written as a power of 10 is expressed as: 1.0 × 10^(-11).
<h3>How to Write a Decimal Number as a Power of 10?</h3>
To express a decimal number as a power of 10, we have to take into consideration, how many decimal places do we have in the decimal number. This will determine what power of 10 the base number would be raised to.
Given the decimal number as, 0.000000000001, the number of decimal places we have in the decimal number is 11. So, we would move the decimal point to 11 places to the right, then multiplied by 10 raised to the power of minus 11.
That is, 1.0 × 10^(-11). Therefore, the decimal number, 0.000000000001, written as a power of 10 is expressed as: 1.0 × 10^(-11).
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Find the sum of the first 4 terms
2, -8, 32, -128 are the first 4 terms
<em>2 + (-8) + 32 + ( - 128)</em>
2 + ( - 8) = -6
-6 + 32 = 26
-128 + 26 = -102
-102 is the sum of the first four terms
hope this helps
Answer:
2(10+15)= (2x10)+(2x15) 20+30=50
Step-by-step explanation:
Constructing a triangle for the given data, we get the triangle as shown in the image below. Since the triangle is an isosceles triangle, the two legs AC and BC will be equal in length. Since the length of the sides is equal, the opposite angles will also be equal. So the base angles for the triangle are equal.
We get two similar right angled triangles ADC and BDC. For triangle ADC, AD = 35cm, DC = 75cm. Tangent of angle DAC can be written as:
Angle DAC is equal to tangent inverse of 15/7 which equals 65 degrees, rounded of to nearest whole degree.
Angle DBC = DAC = 65 degrees
Thus the base angles for the given isosceles triangle will be 65 degrees each, rounded of to nearest whole degree.