## 9th grade math worksheet7

Here, 9th grade math worksheet7 on math is given. You can do the problems on this work sheet and also check whether the answer you have got is correct.

In this 9th grade math worksheet7, you can find 10 problems on math which are in the level of 9 th grade.

1.Find the area of the design as shown below.

 (A) 441.368 cm2 (B) 340.368 cm2 (C) 220.52 cm2

2.A cow is tied up for grazing at one outside corner of a square building of length 4.2m. If the length of the rope is 4.9 m, then find the area the cow can graze.

 (A) 32.56 m2 (B) 57.365 m2 (C) 23.545 m2

3.Write the number 0.000001024 in scientific notation

 (A) 1.0024 x 10-6 (B) 1.024 x 106 (C) 1.024 x 10-6

4.Write the number 1.423 × 10<sup>-6</sup> in decimal form

 (A) 1.423 (B) 0.000001223 (C) 0.000001423

5.Perform the calculation and write the answer of the following in scientific notation. (2000)² ÷ (0.0001)⁴

 (A) 2 x 10-22 (B) 4 x 10022 (C) 4 x 1022

6.Write 3=log ₃729 in exponential form

 (A) 39 = 729 (B) 93 = 729 (C) 92 = 729

7.Change 2= 64¹⁶ to logarithmic form

 (A) 1/6 = log264 (B) 1/6 = log36 (C) 1/6 = log642

8.Evaluate : Log₉ (1/27)

 (A) 5/2 (B) 1/2 (C) 3/2

9.Find the value of

 (A) 2.122 (B) 7.132 (C) 5.022

10. Obtain the set builder representation of the set  A={1.1/2,1/3,1/4,1/5,1/6}

 (A) A={x: x=n, n belongs to N and n<7} (B) A={x: x=1/n, n belongs to N and n<7} (C) A={x: x=1/n, n belongs to N and n<5}

In this 9th grade math worksheet7, you can find 10 problems on math which are in the level of 9 th grade

1.    441.368 cm²

2.    57.365 m²

3.    1.024 x 10⁻ ⁶

4.    0.000001423

5.    4 x 10² ²

6.    9³ = 729

7.    1/6 = log₆₄2

8.    3/2

9.    2.122

10.  A={x: x=1/n, n belongs to N and n<7}