Exponents
Write 4x4x4x4x4x4x4 in exponential form.
47
Evaluate: (22)3
64
Is the following expression written in scientific notation? If not, explain why. 3.25 + 10-7
No, it should be multiplied, not added.
Solve the expression. Write your answer in scientific notation. (3.7 x 109) + (9.04 x 109)
1.274 x 1010
What is the difference between evaluate and simplify?
Simplify- Breaking down to simplest form, may or may not be final answer.
Evaluate-solve problem to get answer.
Write 35 in expanded Form.
3x3x3x3x3
Simplify: (4y)3
64y3
The mass of Jupiter is approximately 1,900,000,000,000,000,000,000,000,000 kg. Write the mass of Jupiter in scientific notation.
1.9 x 1027
Solve the expression. Write your answer in scientific notation. (8.45 x 10-7) - (6.9 x 10-7)
1.55 x 10-7
Estimate the square root of 78 to the nearest tenth.
8.8 or 8.9
Evaluate the expression, (-3)3
-27
Simplify: (x5)(x9)
x14
The mass of a single atom weighs about 0.000000095 mg . Write this number in scientific notation.
9.5x10-8
Omarion needed a loan from his friend A'Jani. He borrowed 5 x 103. He gave back 2 x 101. How much does he own.
4.98 x 103
Of the following which are irrational? A)0.56152651, B) 12.5196651..
C)
sqrt(45
D)0.1
B and C
Evaluate the expression, (149)0
1
Simplify: (36x4y3)/(6xy2)
6x3y1
The size of the Sahara desert is 36.29 x 105 square miles and the Arabian desert is about 9.1 x 106 square miles. Which desert is larger? Explain how you know.
Arabian, because when converted to correct scientific notation the exponent is larger.
Humpback whales are known to weigh as much as 8 x 104 pounds. The tiny krill they eat weigh only 2 x 10-3 pounds. Approximately how many times greater are humpback whales than krill?
4 x 107
What rule pertains to this problem:
Write in scientific notation: 12 x 104
L.A.R.S.
Evaluate the expression, 9-2
1/81
Simplify: q5xqxqxq2 / q3xq
q5
The size of the four oceans, in square km, is shown below. List the oceans from smallest to largest.
Pacific Ocean - 1.7965 x 108,
Arctic Ocean - 13.23 x 106,
Atlantic Ocean - 1.061 x 108,
Indian Ocean - 7.49 x 107
Arctic, Indian, Atlantic, Pacific
A computer can perform 4.66 x 108 instructions per second. How many instructions is that per minute? Write each of your answer in scientific notation.
Per Second = 2.796 x 1010
Kylah solved the problem shown below: (2 x 104)(1.8 x 106) = 3.6 x 10-2 Is she correct? Explain.
No. she was supposed to add the exponents, not subtract.