Answer: the brother is 20 and the sister is 9
Step-by-step explanation:
29 - 11 = 18 18 divided by 2 is 9
9+11 is 20 the brothers age so the sister is 9
The answer: the second one y= -2x+7
Hope it will help you..............
Answer:
The pattern is the same when multiplying a whole number and a decimal number by a power of ten.
Step-by-step explanation:
The pattern to use when multiplying a whole number by a power of ten can be expressed as follow:
A whole number is a number without a fraction, so let say we choose 12 as a whole number, and let choose 6¹⁰ as a number with the power of ten.
To multiply these two numbers, we get;
= 12 × 6¹⁰
= 12 × 60466176
= 725594112
Now, the pattern to use when multiplying a decimal by a power of ten.
A decimal number is a number that comprises of a whole number and a fraction number that is being by a decimal point.
Let say our decimal number is 1.2 and our number raised to the power of ten is 6¹⁰
Then, To multiply these two numbers, we get;
= 1.2 × 6¹⁰
= 1.2 × 60466176
= 72559411.2
Thus, the pattern is the same when multiplying a whole number and a decimal number by a power of ten.
