🔢 Conversions
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✖️➗ Operations
➕➖ Advanced Ops
🌍Real-World Applications
100

5,200 = ?

5.2 × 10³

100

Which is greater:


3 × 10⁴ or 5 × 10³

3 × 10⁴  

100

(2 × 10³)(3 × 10²)

6 × 10⁵

100

(3 × 10⁴) + (2 × 10⁴)

5 × 10⁴

100

 The mass of a bacterium is 2×10-6 grams.
What is this in standard form? 


0.000002  

200

3.4 × 10⁵ = ?

340,000

200

Smallest number:


2 × 10-5,9 × 10-3, 1 × 10-4

2 × 10-5

200

(4 × 10⁵)(2 × 10²)

8 × 10⁷

200

(5 × 10³) + (2 × 10⁴)

2.5 × 10⁴

200

A distance in space is 3×107 meters.
Another is 5×106 meters.

Which is farther?

3×107 meters

300

0.00078 = ?

7.8 × 10⁻⁴

300

Order from least to greatest:


1 × 10⁶, 4 × 10⁴, 2 × 10⁵

 4×10⁴, 2×10⁵, 1×10⁶

300

(8 × 10⁶) ÷ (2 × 10²)

4 × 10⁴

300

(7 × 10⁵) − (2 × 10⁵)

5 × 10⁵

300

A scientist records two measurements:
4×105 and 2×105.

What is the total? 

6×105

400

9.01 × 10⁶ = ?

9,010,000

400

Which is bigger:

6.2 × 10⁷ or 6.9 × 10⁶

6.2 × 10⁷

400

(6 × 10⁻²)(3 × 10³)

1.8 × 10²

400

(4 × 10³) + (6 × 10)

4.006 x 103

400

A star is 6×108 km away.
Another is 2×108 km away.

How much farther is the first star?

4×108

500

0.00000045 = ?

4.5 × 10⁻⁷

500

True or False:
7 × 10⁻³ > 2 × 10⁻²

False


500

(9 × 10⁷) ÷ (3 × 10⁻¹)

3 × 10⁸

500

(1 × 105) − (7 × 104)

3 x 104


500

The speed of light is approximately 3×10m/s.
If light travels for 2×102 seconds, how far does it go?

6×1010

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